1. Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
2. Hubei Provincial Center for Disease Control and Prevention, Wuhan 430072, P. R. China
3. State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, P. R. China
4. School of Life Science, Beijing Institute of Technology, Beijing 100081, P. R. China
5. College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, P. R. China