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