1. Department of Medicine, Section of Addiction Medicine, Oregon Health & Science University, Portland
2. Oregon Health & Science University-Portland State University School of Public Health, Portland
3. Division of General Internal Medicine, Oregon Health & Science University, Portland
4. University of Wisconsin Madison, Madison
5. Department of Medicine, University of Washington, Seattle
6. Office of Research, University of Massachusetts Chan Medical School-Baystate, Baystate Health, Springfield
7. Department of Health Behavior, University of North Carolina-Chapel Hill, Chapel Hill
8. Department of Medicine, Section of Infectious Diseases and Global Health, University of Chicago, Chicago, Illinois
9. Department of Community & Family Medicine, Dartmouth Health and Geisel School of Medicine at Dartmouth College, Hanover, New Hampshire
10. Department of Medicine, University of Wisconsin-Madison, Madison
11. College of Public Health, University of Kentucky, Lexington