1. Department of Family Medicine; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
2. Cecil G. Sheps Center for Health Services Research; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
3. School of Nursing; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
4. School of Social Work; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
5. U.S. Health Division; Abt Associates Inc.; Cambridge Massachusetts