1. School of Social Work, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Johns Hopkins University School of Medicine, Baltimore, MD, USA
3. Department of Psychiatry and Behavioral Sciences, Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, Baltimore, MD, USA
4. Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
5. Department of Medicine, Division of Addiction Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
6. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA