1. Division of Hepatitis and Enterovirus Vaccines, Institute of Biological Products, National Institutes for Food and Drug Control, NHC Key Laboratory of Research on Quality and Standardization of Biotech Products, NMPA Key Laboratory for Quality Research and Evaluation of Biological Products, Beijing, People’s Republic of China
2. Institute of Medical Biology, Chinese Academy of Medicine Sciences & Peking Union Medical College, Kunming People’s Republic of China
3. Guangzhou Laboratory, Guangzhou, China