1. Center of Infectious Diseases, 458th Hospital of PLA, No. 801 Dongfengdong Road, Guangzhou, Guangdong 510600, China
2. Southern Medical University, Guangzhou, Guangdong 510515, China
3. Institute of Life Science and Bio-Pharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China
4. Guangzhou Eight People’s Hospital, Guangdong 510060, China