About the Authors

Dawei Shi

Contributed equally to this work with: Dawei Shi, Shu Shen, Xingliang Fan

Affiliation Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China

Shu Shen

Contributed equally to this work with: Dawei Shi, Shu Shen, Xingliang Fan

Affiliation Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China

Xingliang Fan

Contributed equally to this work with: Dawei Shi, Shu Shen, Xingliang Fan

Affiliations Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China, WHO Collaborating Center for Standardization and Evaluation of Biologicals, Beijing, People’s Republic of China

Suhong Chen

Affiliation Beijing Institute of Radiation Medicine, Beijing, People’s Republic of China

Dayan Wang

Affiliations Chinese National Influenza Center, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China, WHO Collaborating Center for Reference and Research on Influenza, Beijing, People’s Republic of China

Changgui Li

Affiliations Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China, WHO Collaborating Center for Standardization and Evaluation of Biologicals, Beijing, People’s Republic of China

Xing Wu

Affiliations Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China, WHO Collaborating Center for Standardization and Evaluation of Biologicals, Beijing, People’s Republic of China

Lili Li

Affiliation Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China

Dongting Bai

Affiliation Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China

Chuntao Zhang

zhangct2@126.com (CTZ); wangjunzhi2013@126.com (JZW)

Affiliation Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China

Junzhi Wang

zhangct2@126.com (CTZ); wangjunzhi2013@126.com (JZW)

Affiliations Key Laboratory of the Ministry of Health for Research on Quality and Standardization of Biotech Products, National Institutes for Food and Drug Control, Beijing, People’s Republic of China, WHO Collaborating Center for Standardization and Evaluation of Biologicals, Beijing, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist. The opinions expressed by the authors contributing to this journal do not necessarily reflect the opinions of the institutions with which the authors are affiliated and the authorities of China.

Author Contributions

Conceived and designed the experiments: CTZ JZW DTB. Performed the experiments: DWS XLF SS XW. Analyzed the data: DWS. Contributed reagents/materials/analysis tools: DWS DYW SHC CGL LLL. Wrote the paper: DWS CTZ.