1. Department of Family Medicine; University of North Carolina; Chapel Hill North Carolina
2. Cecil G. Sheps Center for Health Services Research; University of North Carolina; Chapel Hill North Carolina
3. Department of Emergency Medicine; University of North Carolina; Chapel Hill North Carolina
4. School of Nursing; University of North Carolina; Chapel Hill North Carolina
5. Department of Medicine; University of North Carolina; Chapel Hill North Carolina
6. Department of Health Management and Informatics; University of Central Florida; Orlando Florida
7. School of Social Work; University of North Carolina; Chapel Hill North Carolina