1. Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
2. Department of Kinesiology, California State University, Long Beach, California
3. Department of Medicine, Vanderbilt University, Nashville, Tennessee
4. Department of Medicine, University of Calgary, Calgary, Alberta, Canada
5. Department of Medicine, Yale University, New Haven, Connecticut
6. Veterans Affairs Connecticut Healthcare System, New Haven, Connecticut
7. Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
8. Division of Research, Kaiser Permanente Northern California, Oakland, California
9. Department of Medicine, Universidad Central del Caribe, Bayamon, Puerto Rico
10. Kaiser Permanente Mid-Atlantic Permanente Medical Group, Rockville, Maryland
11. Wilmer Eye Institute, School of Medicine, Johns Hopkins University, Baltimore, Maryland
12. National Cancer Institute, Bethesda, Maryland
13. Department of Medicine, University of California San Diego, San Diego, California
14. Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montreal, Quebec, Canada
15. Department of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
16. British Columbia Centre for HIV/AIDS Excellence, Vancouver, British Columbia, Canada
17. Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland