1. Johns Hopkins University Bloomberg School of Public Health Baltimore Maryland USA
2. CHOP Philadelphia Pennsylvania USA
3. University of North Carolina at Chapel Hill School of Medicine Department of Social Medicine Chapel Hill North Carolina USA
4. Johns Hopkins University Bloomberg School of Public Health Department of Epidemiology Baltimore Maryland USA
5. Johns Hopkins University Bloomberg School of Public Health Epidemiology Baltimore Maryland USA
6. Johns Hopkins University Bloomberg School of Public Health Health, Behavior and Society Baltimore Maryland USA
7. ZAMI NOBLA: National Organization of Black Lesbians on Aging Atlanta Georgia USA