1. Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, Guangxi, China
2. Department of Infectious Diseases, Liuzhou People’s Hospital, Liuzhou, Guangxi, China
3. Guangxi Collaborative Innovation Center for Biomedicine, Life Science Institute, Guangxi Medical University, Nanning, Guangxi, China
4. Nursing College, Guangxi Medical University, Nanning, Guangxi, China