1. Guangxi-ASEAN Collaborative Innovation Center for Major Disease Prevention and Treatment, Life Sciences Institute, Guangxi Medical University, Nanning 530021, Guangxi, People’s Republic of China
2. Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning 530021, Guangxi, People’s Republic of China
3. Guigang Center for Disease Control and Prevention, Guigang, 537100, Guangxi, People’s Republic of China
4. People’s Hospital of Guigang, Guigang, 537100 Guangxi, People’s Republic of China
5. Guigang Maternal and Child Health Hospital, Guigang, 537100 Guangxi, People’s Republic of China