1. Department of Behavioral and Community Health Sciences, Graduate School of Public Health University of Pittsburgh Pittsburgh Pennsylvania USA
2. Center for LGBT Health Research, University of Pittsburgh Pittsburgh Pennsylvania USA
3. School of Nursing, University of Pennsylvania Pittsburgh Pennsylvania USA
4. Program on Sexuality, Technology & Action Research, University of Pennsylvania Philadelphia Pennsylvania USA
5. School of Dental Medicine, University of Pittsburgh Philadelphia Pennsylvania USA
6. Department of Health Behavior, Gillings School of Public Health University of North Carolina Chapel Hill North Carolina USA