1. Department of Biostatistics, University of Washington, Collaborative Health Studies Coordinating Center, Seattle
2. Department of Medicine, Yale University School of Medicine, New Haven, Connecticut
3. Department of Medicine, Alpert Medical School of Brown University, Providence, Rhode Island
4. Division of General Internal Medicine, Johns Hopkins University, Baltimore, Maryland
5. National Institute on Drug Abuse, Bethesda, Maryland
6. Department of Medicine, University of California–San Francisco
7. Department of Medicine, Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, New York
8. Department of Medicine, University of California–Los Angeles
9. Department of Global Health, Emory University, Atlanta, Georgia
10. Department of Psychiatry, University of Washington, Seattle
11. Department of Medicine, University of North Carolina, Chapel Hill
12. Department of Medicine, University of Washington, Seattle
13. Department of Epidemiology, George Washington University, Washington, DC
14. School of Nursing, Yale University School of Medicine, New Haven, Connecticut
15. Department of Medicine, University of California–San Diego, UCSD Medical Center
16. Harvard Medical School, Fenway Institute, Boston, Maryland
17. Department of Medicine, Johns Hopkins University, Baltimore, Maryland
18. Department of Medicine, University of Alabama–Birmingham
19. University of Illinois–Chicago
20. Centers for Disease Control and Prevention, Atlanta, Georgia
21. Department of Psychology, University of Washington, Seattle
22. Department of Criminology, George Mason University, Fairfax, Virginia