1. Department of Applied Health Science, Indiana University School of Public Health–Bloomington, Bloomington, IN, USA
2. Rural Center for AIDS/STD Prevention, Indiana University, Bloomington, IN, USA
3. Columbia University School of Social Work, New York, NY, USA
4. Division of Infectious Disease, Department of Medicine, Washington University in St. Louis, St. Louis, MO, USA
5. Department of Epidemiology and Biostatistics, Indiana University School of Public Health–Bloomington, Bloomington, IN, USA
6. Departments of Anthropology and Medicine, Washington University in St. Louis, St. Louis, MO, USA
7. St. Louis STD/HIV Prevention Training Center, St. Louis, MO, USA