1. Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
2. Infectious Diseases Center, Guangzhou Eighth People’s Hospital, Guangzhou Medical University, Guangzhou, China
3. Department of Pathology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
4. Shenzhen Blood Center, Shenzhen, Guangdong, China
5. Qianyang Biomedical Research Institute, Guangzhou, Guangdong, China