1. National Medical Products Administration Key Laboratory for Quality Research and Evaluation of Biological Products, Institute of Biological Products, National Institutes for Food and Drug Control, Beijing 102600, China
2. National Health Commission Key Laboratory of Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing 102600, China
3. Center for Reference Materials and Standardization, National Institutes for Food and Drug Control, Beijing 102600, China