About the Authors

Yi Bao

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Di Tian

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Ying-Ying Zheng

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Hong-Li Xi

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Dan Liu

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Min Yu

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Xiao-Yuan Xu

yangpin@public3.bta.net.cn

Affiliation Department of Infectious Diseases, Peking University First Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XYX. Performed the experiments: YB. Analyzed the data: YB DT. Contributed reagents/materials/analysis tools: YYZ HLX DL MY. Wrote the paper: YB XYX.