1. Guangxi Key Laboratory of AIDS Prevention and Treatment & Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, School of Public Health, Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
2. Rollins School of Public Health, Emory University, Atlanta, GA, USA
3. HaTinh Medical College, Ha Tinh City, Ha Tinh Province, Vietnam
4. Guangxi Collaborative Innovation Center for Biomedicine, Life Science Institute, Guangxi Medical University, Nanning, Guangxi, People’s Republic of China
5. Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen City, Vietnam
6. Ningming Center for Disease Control and Prevention, Guangxi, Ningming County, People’s Republic of China
7. Longzou Center for Disease Control and Prevention, Guangxi, People’s Republic of China
8. Chongzuo Center for Disease Control and Prevention, Chongzuo, Longzhou County, Guangxi, People’s Republic of China