1. Washington State Department of Health Office of Infectious Disease, Olympia, WA;
2. University of Washington Department of Epidemiology, Seattle WA;
3. Oregon Health Authority Department of Public Health, Salem, OR;
4. Oregon Health & Science University Division of General Internal Medicine, Portland, OR;
5. Office of AIDS, Center for Infectious Diseases, California Department of Public Health. Sacramento, CA;
6. New York City Department of Health and Mental Hygiene, New York City, NY;
7. Philadelphia Department of Public Health Division of HIV Health, Philadelphia, PA; and
8. Public Health Seattle & King County HIV/STD Program, Seattle, WA.