1. Institute of Human Virology, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
2. Key Laboratory of Tropical Disease Control of Ministry of Education, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
3. Guangdong Engineering Research Center for Antimicrobial Agent and Immunotechnology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China
4. Department of Infectious Diseases, Guangzhou 8th People's Hospital, Guangzhou, Guangdong, 510080, China