1. Division of HIV/AIDS and Sex-transmitted Virus Vaccines, Institute for Biological Product Control, National Institutes for Food and Drug Control (NIFDC), WHO Collaborating Center for Standardization and Evaluation of Biologicals, NHC Key Laboratory of Research on Quality and Standardization of Biotech Products and NMPA Key Laboratory for Quality Research and Evaluation of Biological Products, Beijing, People’s Republic of China
2. Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People’s Republic of China
3. Beijing Yunling Biotechnology Co., Ltd., Beijing, People’s Republic of China
4. Changping Laboratory, Beijing, People’s Republic of China