1. Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
2. Yale Program in Addiction Medicine, Yale School of Medicine, New Haven, Connecticut
3. Department of Emergency Medicine, Yale School of Medicine, New Haven, Connecticut
4. Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
5. Health Policy and Management, Yale School of Public Health, New Haven, Connecticut
6. Friends Research Institute, Baltimore, Maryland
7. Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, Ohio
8. Department of Medicine, University of Washington School of Medicine, Seattle
9. Center for Interdisciplinary Research on AIDS, Yale School of Public Health, New Haven, Connecticut