1. Center for Global Health, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. Department of Global Public Health, Karolinska Institute, Stockholm, Sweden
3. Jönköping International Business School, Jönköping University, Jönköping, Sweden
4. Department of Sociology, University of Washington, Seattle, Washington, USA
5. Institute for Global Health, Yale University, New Haven, Connecticut, USA
6. Department of Health Behavior, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
7. Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina, USA
8. Department of Internal Medicine and Infectious Diseases, Danderyd University Hospital, Stockholm, Sweden