1. CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
2. University of Chinese Academy of Sciences, Beijing, China
3. Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, Beijing, China
4. Shenzhen Key Laboratory of Pathogen and Immunity, Shenzhen Third People's Hospital, Shenzhen, China
5. China-Japan Joint Laboratory of Molecular Immunology and Molecular Microbiology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
6. Division of Infectious Diseases, Advanced Clinical Research Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
7. Center for AIDS Research, Kumamoto University, Kumamoto, and Japan International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
8. National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China