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PubMed1995

Pulling the coverage trigger: the temporal condition of liability insurance.

Timing issues will continue to be at the forefront of insurance coverage disputes for a long time, and may impact not only the question of which insurer is responsible for a particular loss, but also whether any coverage exists at all. For example, if a policyholder has self-insured for any period, the timing issue may well determine whether purchased liability insurance will afford any protection for the loss. Though courts have provided useful guidelines, in order to determine coverage the facts of each case must be carefully examined, particularly the policy language and the nature of the injury on which the claim is founded. When there are difficult timing questions, one viable approach may be for the policyholder to select a "target" insurer to sue for coverage, based in part on the timing analysis, and leave to the targeted insurer the task of seeking contribution from all other carriers potentially responsible for covering the loss.

Eligibility Determination↗
PubMed1997

Health care continuation coverage--Pension and Welfare Benefits Administration--Department of Labor. Request for information.

This document is a request for information to assist the Department of Labor (the Department) in assessing the need for a regulation clarifying certain statutory notice requirements set forth in section 606 of Title I of the Employee Retirement Income Security Act (ERISA) and in section 4980B of the Internal Revenue Code (the Code). These statutory notice requirements were enacted as part of the continuation coverage provisions included in the Consolidated Omnibus Budget Reconciliation Act of 1985 (COBRA). The continuation coverage provisions, commonly referred to as the COBRA provisions, generally require group health plans to provide participants and beneficiaries who under certain circumstances would otherwise lose coverage (qualified beneficiaries) with the opportunity to elect to continue coverage under the plan at group rates for a limited period of time. The Department anticipates that information and views provided by plan sponsors, plan fiduciaries, service providers to plans, plan participants and beneficiaries, and other interested persons will aid it in assessing the need for issuing a regulation to explicate the notice requirements of the COBRA provisions and the appropriate scope and content of any such regulation. A regulation on the notice requirements of the COBRA provisions would affect participants and beneficiaries (including qualified beneficiaries) of certain group health plans, as well as the sponsors and fiduciaries of such plans.

Employee Retirement Income Security Act↗
PubMed1987

Medicare program; criteria for Medicare coverage of heart transplants--HCFA. Notice of HCFA ruling.

This notice extends Medicare coverage to heart transplantations when furnished by participating facilities that meet specific criteria, including patient selection criteria. We are extending coverage to heart transplants based on the results of the National Heart Transplant Study and our subsequent determination that heart transplants are a medically reasonable and necessary service when specific criteria are met. Because the HCFA Ruling HCFAR 80-1 excluded heart transplants from coverage under that Medicare program, we are issuing this notice as a new HCFA ruling. It will rescind HCFAR 80-1 and set forth the new coverage policy for heart transplants.

Centers for Medicare and Medicaid Services, U.S.↗
PubMed1985

Insurance coverage and ambulatory medical care of low-income children: United States, 1980.

In the household survey phase of the National Medical Care Utilization and Expenditure Survey of 1980, a survey was conducted of 17,123 persons who constituted a representative sample of the civilian population in the United States not residing in institutions. Through repeated interviews the survey obtained information on the health conditions of these people, the health care services they received in 1980, the costs of these services, and the sources of payment for services. This report, one of a series of reports on the survey findings, provides a profile of low-income children: Their health insurance coverage, health service use, and expenditures for physician visits. Children under 18 years of age in families below 150 percent of the 1980 Federal poverty level are considered low income. However, children who were ineligible to participate in the survey for part of the year are excluded, such as those who were born, who died, or who were institutionalized in 1980. A physician visit is defined as a face-to-face contact with a physician or a nonphysician working under the supervision of a physician. In addition, visits to nurse practitioners and physician assistants who were reported as "independent providers" are included. Otherwise, visits to independent providers (primarily chiropractors and optometrists), mental health visits, visits by physicians to hospital inpatients, and telephone contacts are excluded. Of the 63.9 million children under 18 years of age in the United States in 1980, about one-fourth (16.8 million) lived in low-income families, according to estimates from the National Medical Care Utilization and Expenditure Survey. Nearly one-half (46 percent) of the 16.8 million low-income children were covered by Medicaid for all or part of 1980: 31 percent were covered by Medicaid only for the full year, 3 percent were covered by Medicaid for part of 1980 and uninsured for the remainder of the year, and 12 percent were covered by both Medicaid and private insurance during the year. An additional 30 percent of the low-income children were privately insured for the full year, while 8 percent had private insurance coverage for part of the year and were uninsured otherwise. Sixteen percent of the children in low-income families, or 2.7 million children, were uninsured for all of 1980. When added to the 3 percent with part year Medicaid coverage and the 8 percent with private coverage part of the year, over one-fourth (28 percent) were uninsured for at least part of 1980.(ABSTRACT TRUNCATED AT 400 WORDS)

Adolescent↗
PubMed1999

Anterior flap for coverage following hip disarticulation for osteomyelitis.

The use of a posterior myocutaneous flap is the most common method of coverage following hip disarticulation. Other options for coverage following hemipelvectomy have been described mainly when the conventional flap is unavailable owing to tumor involvement. We report a case of hip disarticulation for a decubitus ulcer with underlying osteomyelitis of the proximal femur; coverage was obtained using an anterior myocutaneous flap. In this case, two previous unsuccessful attempts at wound coverage prior to the hip disarticulation using a lateral and a posterior flap made the anterior flap the best available option for closure. Complete healing was achieved within two months.

Diabetes Mellitus, Type 1↗
PubMed2000

Topical corticosteroid in foam vehicle offers comparable coverage compared with traditional vehicles.

BACKGROUND: A new preparation of betamethasone valerate in a novel foam vehicle is available for treatment of scalp dermatoses. The vehicle spreads between hair until it reaches the scalp, where it melts and delivers the active drug. Solids make up only a tiny fraction of the foam vehicle, leaving no apparent residue on the skin or hair. The uniqueness of this vehicle raises the question of how to compare it with other topical corticosteroid preparations. OBJECTIVE: The purpose of this study was to determine the equivalency of a given quantity of the foam product to quantities of drugs in conventional vehicles. METHODS: The number of fingertip units (FTUs) per gram and the area of coverage of an FTU of betamethasone valerate foam vehicle were determined and compared with those of cream, lotion, gel, and solution psoriasis treatments. RESULTS: The weight of an FTU of foam vehicle was 52.5 +/- 5.7 microg. There were 9 to 12 times as many FTUs in 100 g of vehicle foam as in 100 g of cream or gel and 2.3 to 2.8 times as many as in 100 g of lotion or solution. The area covered by an FTU of foam vehicle was less than the area covered by an FTU of cream or gel. CONCLUSION: The characteristics of foam vehicle are different from those of other vehicles. The greater number of FTUs in 100 g of foam vehicle made up for the lower coverage per FTU, such that total coverage area for 100 g of foam vehicle was comparable to the coverage area for 100 g of the drugs in traditional vehicles.

Administration, Topical↗
PubMedDate not supplied

Cancer coverage in mass-circulating Canadian women's magazines.

Mass media can inform health beliefs and shape cancer control behaviours. This study surveyed cancer coverage in 309 issues of Canadian women's magazines for the period 1991-1997. Magazines were selected if 1996 revenue > $10 million and circulation > 500,000; Canadian Living, Chatelaine, Flare and Homemaker's met these criteria. The volume of cancer coverage varied significantly by year and by magazine. However, coverage of specific cancers did not reflect their contribution as a cause of cancer death in Canadian women. The percentage of articles on lung cancer was lower and on breast cancer was higher than the percentage of deaths due to these cancers. All magazines had decreased coverage of lung cancer in 1997 compared to 1991. National cancer resource agencies and research initiatives on breast cancer were infrequently mentioned. These results argue for greater partnerships between the media and health educators to enhance balanced dissemination of cancer control information to Canadian women.

Canada↗
PubMed2000

National, state, and urban area vaccination coverage levels among children aged 19-35 months--United States, 1999.

Childhood vaccinations have a major impact on the reduction and elimination of many causes of morbidity and mortality among children (1). Monitoring vaccination coverage levels is necessary to characterize undervaccinated populations and to evaluate the effectiveness of efforts to increase coverage. The National Immunization Survey (NIS) provides ongoing national estimates of vaccination coverage among children aged 19-35 months based on data for the most recent 12 months for each of the 50 states and 28 geographic areas (2). This report presents the findings of the 1999 NIS, which indicate that vaccination coverage among U.S. children aged 19-35 months were at or near record high levels.

Child, Preschool↗
PubMed2000

Trends and determinants of immunisation coverage in India.

The 20th century has witnessed many important events in the control of infectious diseases that mostly affect children. In addition to the eradication of smallpox, the interruption of poliomyelitis transmission in many countries with a distinct possibility of its eradication by the turn of this century are some of the major achievements. Also, the rates of other vaccine preventable diseases such as measles, pertussis and diphtheria have gone down significantly. The discovery and use of vaccines have made it possible to save approximately 8 million deaths, annually. This is in addition to the reduction in millions of children's suffering and disability. It is now important to build on these gains through adequate utilisation of other vaccines e.g., hepatitis B, typhoid and Haemophilus influenzae type b that are currently available, but in limited use. But, a high level of coverage for any vaccination programme is a pre-requisite to witness the effective reduction of the specific disease against which child population is vaccinated. This paper reviews the coverage levels by surveys in the last 3 years. It has been observed that vaccination coverage levels are falling. Keeping the promises of immunising every child to fulfill his/her right is the need of the hour. To achieve this the major action points are: (a) The need for organising fixed immunisation sessions at the community, where low proportion of sessions are held; and (b) The need to improve demand generation activities where the coverage is poor despite better service availability at the community level. Therefore, the challenge for the next century is to make sure that the enormous impact of vaccines on the health and well-being of the population is maintained as well as expanded. Vaccines that effectively prevent rotavirus diarrhoea, pneumococcal pneumonia, menigococcal meningitis, if made available, could prevent deaths up to two million a year. Research efforts are currently under progress to develop new vaccines against malaria, tuberculosis, shigella-induced dysentery, and Esch coli-induced diarrhoea.

Child, Preschool↗
PubMed2000

Impact of appointment reminders on vaccination coverage at an urban clinic.

OBJECTIVE: To test if appointment reminders blinded to immunization status improve kept-appointment and vaccination coverage rates. Design. Controlled trial. SETTING: Pediatric clinic serving a low-income community in New York City. INTERVENTION: Children ages 4 through 18 months (n = 1273) scheduled sequentially for clinic appointments were systematically assigned to 1 of 4 study groups: control (n = 346); postcard (n = 314); telephone call (n = 307); and postcard and telephone call (n = 306). OUTCOME MEASURES: Kept-appointment and vaccination coverage rates. RESULTS: Children assigned to the postcard and telephone group were 1.75 times more likely to keep their appointments than controls (95% confidence interval [CI] = 1.2, 2.5). Children who actually received the postcard and telephone reminders were 2.3 times more likely to keep an appointment than controls (95% CI = 1.4, 3.7). Children who kept appointments were 2.3 times more likely to be up-to-date with their immunizations (95% CI = 1.7, 3.2). The reminders selectively increased vaccination coverage for the subgroup of children who were not up-to-date before the appointment (chi(2) = 11.2). The cost of the reminders was $.67 for the postcard and $1.58 for the postcard and telephone. Assuming 5000 visits per year and $100 reimbursement per visit, the return on each dollar invested was $10 for the postcard and $7.28 for the postcard and telephone reminder. CONCLUSIONS: Appointment reminders blind to immunization status are a practical and cost-effective strategy to increase kept-appointment rates for all children, and, through this mechanism, reach and vaccinate children who are not up-to-date.appointment reminder, vaccination coverage.

Chi-Square Distribution↗
PubMed2000

Short-term wound complications after application of flaps for coverage of traumatic soft-tissue defects about the tibia. The Lower Extremity Assessment Project (LEAP) Study Group.

BACKGROUND: The purpose of the present study was to compare the rate of short-term wound complications associated with rotational flaps and that associated with free flaps for coverage of traumatic soft-tissue defects about the tibia. METHODS: Of 601 patients prospectively enrolled in a multicenter study of high-energy trauma of the lower extremity, 190 patients (195 limbs) required flap coverage and had six months of follow-up. The injury data included the ASIF/OTA classification of the tibial fracture and the soft-tissue injury and the functional status of the neurovascular and muscular structures of the soft-tissue compartments at the time of soft-tissue coverage. The treatment data consisted of the type of flap, the timing of the flap coverage, and the type of fixation. The patient characteristics that were recorded included the age, gender, presence of comorbidities, and smoking status at the time of the injury. Short-term complications included wound infection, wound necrosis, and loss of the flap within the first six months after the injury. RESULTS: Eighty-eight limbs were treated with a rotational flap, and 107 limbs were treated with a free flap. Overall, complications occurred after fifty-three (27 percent) of the 195 flap procedures; forty-six (87 percent) of the fifty-three required operative treatment. The two treatment groups were similar with respect to age, gender, comorbidities, preinjury smoking status, ASIF/OTA classification of the fracture, and prevalence of vascular injury requiring repair (p>0.05). There were two important differences between the two groups. First, three of the four leg compartments--that is, the anterior, lateral, and deep posterior compartments--were more likely to be functionally compromised in the free-flap group than in the rotational flap group (p<0.05), suggesting that patients in the free-flap group had sustained more severe soft-tissue injuries. Second, the Injury Severity Score was significantly higher (p = 0.001) in the rotational flap group (mean, 14 points) than in the free-flap group (mean, 11 points), suggesting that patients in the former group had sustained more substantial total body trauma. Overall, there were no significant differences between the two groups with respect to the complication rates. However, among those with the most severe grade of underlying osseous injury (an ASIF/OTA type-C injury), 44 percent of the limbs that were treated with a rotational flap had a wound complication compared with 23 percent of the limbs that were treated with a free flap (p = 0.10). To control for any differences between the two groups with respect to the severity of the injury, the treatment methods, or the patient characteristics, multivariate regression modeling was performed. An interaction effect between the type of flap and the severity of the underlying osseous injury demonstrated significance (p<0.05) after controlling for other factors. Of the limbs that sustained an ASIF/OTA type-C osseous injury, those that were treated with a rotational flap were 4.3 times more likely to have a wound complication requiring operative intervention than were those treated with a free flap. No significant difference in the rate of complications was detected with respect to the type of flap used for the limbs that had lower-grade osseous injuries. CONCLUSIONS: We found that use of a free flap to treat limbs with a severe underlying osseous injury was significantly less likely to lead to a wound complication requiring operative intervention than was use of a rotational flap.

Adolescent↗
PubMed2000

A comparative study of root coverage obtained with an acellular dermal matrix versus a connective tissue graft: results of 107 recession defects in 50 consecutively treated patients.

Obtaining root coverage has become an important part of periodontal therapy. In this study, 2 surgical root coverage procedures were examined. The control group was treated with a coronally positioned pedicle graft combined with a connective tissue graft. The test group was treated with a coronally positioned pedicle graft combined with an acellular dermal matrix. There was no statistically significant difference in the mean root coverage obtained (96.2% control vs 95.8% test). There was a statistically significant reduction in probing depth (1.2 mm control vs 0.7 mm test) and increase in keratinized tissue (2.0 mm control vs 1.2 mm test) in both groups. The connective tissue graft produced a greater mean probing reduction and mean keratinized tissue increase than the acellular dermal matrix. However, this did not appear to be clinically significant. The results of both procedures were esthetically acceptable to the patients and clinically acceptable in all cases. In this study, the acellular dermal matrix and the connective tissue graft resulted in similar amounts of root coverage.

Adolescent↗
PubMed2000

A preliminary comparative study of the guided tissue regeneration and free gingival graft procedures for adjacent facial root coverage.

OBJECTIVE: The purpose of this study was to compare the clinical efficacy of guided tissue regeneration with expanded polytetrafluoroethylene membranes to that of free gingival graft for treatment of adjacent facial gingival recession. METHOD AND MATERIALS: Eight adjacent gingival recession sites with Miller class I or II defects containing at least a maxillary or mandibular canine were selected in 6 patients. Four recession sites in 3 patients were treated with guided tissue regeneration, and the other 4 sites in the remaining 3 patients were treated with free gingival graft. Probing depth, gingival recession, attachment level, width of keratinized gingiva, and root coverage were recorded before surgery (baseline) and 6 months and 1 year postoperatively. RESULTS: Statistically significant improvements were found for gingival recession, attachment level, and root coverage from baseline to 6 months and 1 year postoperatively in both groups. Both procedures produced the same average reduction in gingival recession, gain in attachment level, and amount of root coverage after 1 year. Probing depths did not differ between groups throughout the study. The width of keratinized gingiva was significantly greater in the grafted group than in the guided tissue regeneration group. CONCLUSION: Both procedures produced the same average amount of root coverage, reduction in gingival recession, and gain in clinical attachment. The guided tissue regeneration procedure provided a better esthetic appearance without any difference in gingival color or architecture in cases of adjacent facial gingival recession.

Adult↗
PubMed2001

Small intestinal submucosa as a urethral coverage layer.

PURPOSE: Urethrocutaneous fistula is the most common complication of hypospadias surgery. Numerous techniques have been used to decrease the incidence of this complication and the use of biocompatible materials in surgery has expanded the options in difficult situations. We hypothesized that porcine small intestinal submucosa may be used as a coverage layer after urethral surgery. We evaluated the histological changes associated with small intestinal submucosa when used as a coverage layer over the urethra in a rabbit model. METHODS AND METHODS: We performed urethral surgery in 16 New Zealand White rabbits divided into 4 animals each in groups 1-sham operation with penile degloving only, 2-penile degloving and small intestinal submucosa patch placement, 3-urethrotomy without a patch and 4-urethrotomy with a small intestinal submucosa patch. The graft edges were marked with permanent suture at surgery for later identification. All rabbits were maintained for 6 weeks before sacrifice. The urethra of each animal was then serially sectioned and examined histologically. RESULTS: Histological examination of animals with an small intestinal submucosa patch revealed a foreign body tissue reaction with an infiltrate of histiocytes, giant cells and lymphocytes in the area of graft placement. There was no histological evidence of remaining small intestinal submucosa patch in any sections. The urethral mucosa healed normally in all cases in which it was disrupted. There was no evidence of acute or chronic inflammation in any group 1 or 2 nonsmall intestinal submucosa animals and none in the animals with a small intestinal submucosa graft in areas other than the former graft site. There were also no urethrocutaneous fistulas in any of the 8 rabbits that underwent urethrotomy. CONCLUSIONS: Small intestine submucosa provides an adequate coverage layer in the rabbit penis after urethrotomy. Histologically the foreign material did not alter normal healing of the urethral mucosa, although it did appear to cause an infiltration of histiocytes, giant cells and lymphocytes. Small intestinal submucosa has previously been studied as a scaffold on which tissue may be remodeled or may regenerate. Our study shows that small intestinal submucosa did not interfere with normal tissue healing in this animal model. When used as a urethral coverage layer, it appears to provide extra tissue between the urethra and skin. Small intestinal submucosa may potentially decrease the incidence of urethrocutaneous fistula after urethral surgery.

Animals↗
PubMed2001

[Evaluation of measles, mumps and rubella vaccine coverage in 3 year old children in twelve French counties. Time-trends and related factors].

BACKGROUND: The aims of our study were to estimate the measle-mumps-rubella (MMR) vaccine coverage in 3 years old children in 12 French countees, to document the evolution between 1997 and 1999 in two groups of 6 countees (pilot group and control group) before and after the implementation of promotion programmes in the pilot group, and to identify factors related to measle-mumps-rubella vaccination. METHODS: Two telephone surveys were carried out in 1997 and 1999 among children randomly selected in the birth rolls of 12 French countees. Parents of 3 years old children were interviewed on measle-mumps-rubella vaccination, knowledge and opinions on vaccinations, utilisation of health care and socio-demographic characteristics. RESULTS: The participation rate was 97% in both surveys. Among the 7382 respondent parents, 98% had immediate access to the child's medical file and could document the vaccine status. The vaccine coverage did not increase significantly between 1997 and 1999 (86.7% versus 87.2%), both in control (89.3% vs. 90.2%) and pilot groups (84.3% vs. 84.3%). A logistic regression model showed that several factors were independently and significantly related to measle-mumps-rubella vaccination (utilisation of homeopathic medicines, mother's age, number of children, physician speciality (general practitioner or pediatrician) and opinion on vaccinations). CONCLUSION: Our study shows that there is a stagnation of vaccine coverage in several French countees, which makes unlikely the national objective of viruses eradication. This epidemiological situation makes very likely outbreaks of measles, mumps and rubella in these countees. National and local pilot programmes did not succeed to promote vaccination in countees with a low measle-mumps-rubella vaccine coverage. Our study identified sub-groups of parents who should be targeted by promotion programmes.

Adult↗
PubMed2001

A proposed vitamin A supplementation programme for South Africa--design, coverage and cost.

BACKGROUND: A national survey of the micronutrient status of preschool children in South Africa established that vitamin A deficiency is a significant public health problem, requiring urgent attention. A number of immediate and long-term interventions were recommended, including the introduction of a vitamin A supplementation programme and a food fortification programme. OBJECTIVES: The aim of the study was to assist in the development and implementation of a national vitamin A supplementation programme at primary health care facilities for mothers and children. This was achieved by determining the design, coverage and cost of a national primary health care facility vitamin A supplementation programme. METHODS: Based on an extensive review of the literature, the main components of a primary health care facility vitamin A supplementation programme were identified. The annual, recurrent costs of each of the programme components were estimated for the nine provinces in South Africa. Immunisation coverage rates were used as a proxy for estimating the coverage of the programme. RESULTS: The main components of the programme were identified as: promotion, training, purchase of vitamin A capsules, distribution of vitamin A capsules to primary health care facilities, distribution of capsules to the programme beneficiaries, and monitoring and evaluation. The programme would operate from primary health care facilities and would target all children between 6 and 24 months of age and newly delivered mothers. It was estimated that the programme would cover 74% of children and 95% of postpartum women nationally. The total annual, recurrent cost of the national programme was estimated at R16.4 million. The bulk of the costs would include personnel costs, comprising 68% of the total costs. Other costs included promotion (27%), vitamin A capsules (4%) and training (1%). The cost of the programme would vary significantly by province, but the provinces' average total cost per beneficiary would be similar. CONCLUSION: A primary health care facility vitamin A supplementation programme has been designed and accompanied by an estimated overall cost and coverage for implementation. The findings of the study showed that the programme would be financially feasible and would reach the majority of children under 24 months of age. It is recommended that further research be undertaken to extend the programme to the more 'hard to reach' population using other strategies such as mass immunisation campaigns.

Adolescent↗
PubMed2000

[Early soft tissue coverage in treatment of severe open tibial fractures].

OBJECTIVE: To study the role of early soft tissue coverage in the treatment of severe open tibial fractures. METHODS: 76 open tibial fractures of type III b were divided into early group (0 - 7 days), subacute group (8 - 30 days), and late group(> 30 days) according to the coverage time of soft tissue. Complications such as infection and nonunion were compared. RESULTS: The infection and nonunion rates of early group were lower than those of the subacute and late groups. The average time to union of the early group was less than that of the subacute and late groups. CONCLUSIONS: Early soft tissue coverage can reduce the complications and the time to union of severe open tibial fractures. The time for "early" coverage should be limited in 1 week. The opportunity of nosocomial infection will increase after 1 week.

Adolescent↗
PubMed2001

[Prevalence of cataract and surgical coverage among adults aged 50 or above in Shunyi District of Beijing, China].

OBJECTIVE: To estimate the prevalence of cataract, surgical coverage rate and the bilateral cataract-blindness burden among adults aged 50 or above in Shunyi District of Beijing, China, for evaluating the cataract status and the efficacy of the prevention blindness program in more than 10 years. METHODS: Cluster sampling was used in randomly selected individuals aged 50 years or older in 28 villages in Shunyi District in fall, 1996. 5 084 individuals received visual acuity test and eye examination, including lens examination by slit lamp. The cataract operation status was also evaluated. RESULTS: The prevalence of cataract was 23.31% among adults aged 50 or above. The prevalence of cataract was increasing by aging. The prevalence of cataract in women and illiterates was significantly higher statistically. The cataract surgical rate had been increasing since 1984. When the bilateral pinhole vision < 3/60 was defined as the blindness criterion, the cataract blindness surgical coverage rate was 56.36%, and the bilateral cataract-blindness burden was 1.63%. When the bilateral presenting vision < 6/60 was defined as the blindness criterion, the cataract blindness surgical coverage rate was 47.79%, and the bilateral cataract-blindness burden was 2.22%. The cataract surgical coverage rates were much lower and the bilateral cataract-blindness burden much higher in women, illiterates and persons aged 70 or above. CONCLUSIONS: The prevalence of cataract is higher and bilateral cataract-blindness burden is heavier in elder individuals. Cataract blindness is still a serious public health problem in elder, women and illiterates after the prevention blindness program having been actively conducted for more than ten years.

Aged↗