1. Wuhan Institute of Biological Products Co. Ltd., Wuhan, People’s Republic of China
2. National Engineering Technology Research Center of Combined Vaccines, Wuhan, People’s Republic of China
3. Center for Biosafety Mega-Science, Chinese Academy of Sciences, CAS Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Wuhan, People’s Republic of China
4. National Institutes for Food and Drug Control, Beijing, People’s Republic of China
5. JOINN Laboratories (Beijing), Beijing, People’s Republic of China
6. Department of Medicine, University of Cambridge, Addenbrooke’s Hospital, Cambridge, UK
7. China National Biotec Group Company Ltd, Beijing, People’s Republic of China