1. The National LGBT Health Education Center, The Fenway Institute, Boston
2. Division of Infectious Diseases, Massachusetts General Hospital, Boston
3. New York City Department of Health and Mental Hygiene
4. Department of Family Medicine and Community Health, University of Massachusetts, Worcester
5. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
6. Division of Infectious Diseases, Department of Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York City, New York
7. Department of Psychiatry, Massachusetts General Hospital, Boston