[1] University of Pittsburgh,Department of Infectious Diseases and Microbiology, Graduate School of Public Health
[2] University of Pittsburgh,Center for LGBT Health Research, Graduate School of Public Health
[3] University of Pittsburgh,Department of Behavioral and Community Health Sciences, Graduate School of Public Health
[4] Emory University,Department of Epidemiology, Rollins School of Public Health
[5] University of Connecticut,Department of Human Development and Family Studies
[6] University of North Carolina,Department of Health Behavior, Gillings School of Global Public Health
[7] University of Pittsburgh,Division of Infectious Diseases, School of Medicine
[8] Rutgers University,Department of Biostatistics and Epidemiology, School of Public Health