1. Center for Clinical Laboratory, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
2. Center for Clinical Laboratory, the First Affiliated Hospital of Jinan University, Guangzhou, China.
3. School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China.
4. Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Shanghai Medical College and Institute of Medical Microbiology, Fudan University, Shanghai, China.