1. Department of Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
2. Department of Infectious Diseases, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
3. Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, China.
4. Key Laboratory of Virology and Biosafety and National Virus Resource Center, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.
5. Hubei Jiangxia Laboratory, Wuhan, China.