1. School of Public Health, Brown University, Providence, Rhode Island, USA.
2. Department of Social and Behavioral Sciences, School of Public Health, Brown University, Providence, Rhode Island, USA.
3. Department of Behavioral, Social, and Health Education Sciences, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
4. Department of Epidemiology, School of Public Health, Brown University, Providence, Rhode Island, USA.
5. Center for Health Promotion and Health Equity, Brown University, Providence, Rhode Island, USA.
6. The Fenway Institute, Fenway Health, Boston, Massachusetts, USA.