1. School of Nursing and Health Studies, University of Missouri, Kansas City, Missouri, USA
2. School of Medicine, University of California, San Francisco, California, USA
3. Missouri Institute of Mental Health, University of Missouri, St. Louis, Missouri, USA
4. Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
5. Johns Hopkins School of Nursing, Wolfe, Maryland, USA
6. Department of Pharmacy, College of Pharmacy, University of Rhode Island, Kingston, Rhode Island, USA
7. Department of Substance Abuse, University of Utah, Salt Lake City, Utah, USA
8. Department of Internal Medicine, Division of Epidemiology, Program for Addiction Research, Clinical Care, Knowledge and Advocacy (PARCKA), VAMC, University of Utah School of Medicine, Salt Lake City, Utah, USA
9. British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada
10. Department of Pediatrics, Harvard Medical School, Boston Children's Hospital, Boston, Massachusetts, USA
11. Association for Multidisciplinary Education and Research in Substance Use and Addiction, Cranston, Rhode Island, USA
12. Clinical Addiction Research and Education Unit, Boston Medical Center, Boston, Massachusetts, USA
13. HIV/AIDS Division, Positive Health Program, University of California, San Francisco, California, USA