1. Department of Emergency Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
2. Department of Biostatistics, Center for Statistical Sciences, Brown University School of Public Health, Providence, RI, USA
3. Department of Health Services, Policy and Practice, Brown University School of Public Health, Providence, RI, USA
4. Centers for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, RI, USA
5. Department of Psychiatry and Human Behavior, Alpert Medical School, Brown University, Providence, RI, USA