1. Brown University School of Public Health, Department of Epidemiology, Providence, Rhode Island
2. University of California, San Francisco, Department of Emergency Medicine, San Francisco, California
3. Brown University School of Public Health, Health Services Policy & Practice, Providence, Rhode Island
4. Brown University School of Public Health, Data & Statistics Core of Brown Alcohol Research Center on HIV (ARCH), Providence, Rhode Island
5. Harvard Medical School, Brigham and Women’s Hospital Department of Emergency Medicine, Boston, Massachusetts