Published on in Vol 5, No 3 (2016): Jul-Sept

1 Boston University School of Public Health, Department of Community Health Sciences, Boston University, Boston, MA, US
2 School of Medicine , University of California, San Francisco, San Francisco, CA, US
3 The Center for Sexuality and Health Disparities , University of Michigan, Ann Arbor, MI, US
4 School of Nursing, Department of Health Behavior and Biological Sciences, University of Michigan, Ann Arbor, MI, US
5 School of Medicine , Emory University, Atlanta, GA, US
6 The Fenway Institute , Fenway Health, Boston, MA, US
7 Feinberg School of Medicine, Department of Pediatrics, Northwestern University, Chicago, IL, US
8 Feinberg School of Medicine, Department of Psychiatry and Behavioral Sciences, Northwestern University, Chicago, IL, US
9 Ann & Robert H. Lurie Children’s Hospital of Chicago, Division of Adolescent Medicine , Chicago, IL, US
10 Rollins School of Public Health, Department of Epidemiology, Emory University, Atlanta, GA, US
11 Feinberg School of Medicine, Department of Preventive Medicine, Northwestern University, Chicago, IL, US
12 School of Public Health, Department of Behavioral and Social Health Sciences, Brown University, Providence, RI, US
13 School of Public Health, Department of Epidemiology, Brown University, Providence, RI, US
14 Albert Medical School, Department of Psychiatry and Human Behavior, Brown University, Providence, RI, US
15 Institute for Community Health Promotion , Brown University, Providence, RI, US
*all authors contributed equally