1. Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, People’s Republic of China
2. Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Life Science Institute, Guangxi Medical University, Nanning, People’s Republic of China
3. Qinzhou Center for Disease Control and Prevention, Qinzhou, People’s Republic of China
4. Lingshan County Center for Disease Control and Prevention, Qinzhou, People’s Republic of China