1. From Kaiser Permanente Northern California, Oakland, California; Johns Hopkins School of Medicine and Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; Northwestern University Feinberg School of Medicine, Center for Global Health, Lurie Cancer Center, and College of Medicine, University of Illinois at Chicago, Chicago, Illinois; National Cancer Institute, National Institutes of Health, Bethesda, Maryland;
2. University of California, San Francisco, San Francisco, California; Centers for Disease Control and Prevention, Atlanta, Georgia; Ontario HIV Treatment Network, Dalla Lana School of Public Health, and Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada; University of Calgary, Calgary, Alberta, Canada; British Columbia Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada;
3. Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada; Mid-Atlantic Permanente Research Institute, Kaiser Permanente, Rockville, Maryland; University of Washington, Seattle, Washington; Oregon Health and Sciences University, Portland, Oregon; University of California, San Diego, San Diego, California; Retrovirus Research Center, Universidad Central del Caribe School of Medicine, Bayamón, Puerto Rico;
4. School of Medicine, University of North Carolina, Chapel Hill, North Carolina; Vanderbilt University, Nashville, Tennessee; University of Alabama, Birmingham, Alabama; Veterans Affairs Connecticut Healthcare System and Yale University Schools of Medicine and Public Health, New Haven, Connecticut.