1. Department of Epidemiology, School of Public Health, Fudan University; Key Laboratory of Public Health Safety of Ministry of Education
2. Taizhou City Center for Disease Control and Prevention
3. Urumqi City Center for Disease Control and Prevention
4. Yuncheng Prefecture Center for Disease Control and Prevention
5. Yingjiang County Center for Disease Control and Prevention
6. Department of International Health, School of Nursing and Health Sciences, Georgetown University
7. Department of Epidemiology, School of Public Health, University of California