1. Yale University School of Medicine; New Haven CT USA
2. Center for Interdisciplinary Research on AIDS; Yale University School of Public Health; New Haven CT USA
3. VA Connecticut Healthcare System; West Haven CT USA
4. James J. Peters VA Medical Center; Bronx NY USA
5. The Icahn School of Medicine at Mt. Sinai; New York NY USA
6. National Institute on Alcohol Abuse and Alcoholism; Bethesda MD USA
7. Emory Rollins School of Public Health; Altanta GA USA
8. Emory University School of Medicine; Atlanta GA USA
9. Washington DC VA Medical Center and George Washington University School of Medicine; Washington, DC USA
10. VA Greater Los Angeles Healthcare System and David Geffen School of Medicine; Los Angeles CA USA
11. Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine; Houston TX USA
12. New York University School of Medicine; New York NY USA
13. Atlanta Veterans Affairs Medical Center; Decatur GA USA