1. Guangxi Key Laboratory of AIDS Prevention and Treatment and Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, School of Public Health, Guangxi Medical University, Nanning, China.
2. Life Sciences Institute, Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, China.
3. Institute of Acute Communicable Diseases Prevention and Control, Guangxi Center for Diseases Prevention and Control, Nanning, China.
4. State Key Laboratory of Pathogen and Biosecurity, Department of AIDS Research, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
5. Geriatrics Digestion Department of Internal Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
6. Center for AIDS Research, The Affiliated Ruikang Hospital of Guangxi Traditional Chinese Medical University, Nanning, China.