1. Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA
2. Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA
3. Division of Addiction Medicine, Department of Family Medicine, Maine Medical Center, Portland, ME, USA
4. Department of General Internal Medicine, School of Medicine, Yale University, New Haven, CT, USA
5. Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
6. Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
7. Harm Reduction Program/Needle Exchange, Portland Public Health, Portland, ME, USA
8. Pharmacy Service, Veteran Affairs Illiana Healthcare System, Danville, IL, USA
9. Pharmacy Service, San Francisco Veterans Affairs Health Care System, San Francisco, CA, USA
10. School of Pharmacy, University of California, San Francisco, San Francisco, CA, USA
11. Mass General Brigham Community Physicians, Haverhill, MA, USA
12. Center for Interdisciplinary Population and Health Research/Maine, Portland, ME, USA
13. Department of Medicine, Maine Medical Center, Portland, ME, USA
14. Tufts University School of Medicine, Boston, MA, USA
15. Maine Medical Partners Adult Infectious Diseases, South Portland, ME, USA