1. Department of Behavior and Social Sciences, Brown University School of Public Health, Providence, RI, USA
2. Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
3. Department of Health Behavior, Society, and Policy, Rutgers University School of Public Health, Piscataway, NJ, USA
4. Jiangsu Provincial Center for Diseases Control and Prevention, Nanjing, China
5. Southeast University School of Public Health, Nanjing, China
6. College of Public Health, Health Behavior & Health Education, University of Arkansas for Medical Sciences, Little Rock, AR, USA