About the Authors

Fangrui Ding

Affiliation Department of Pediatrics, Peking University First Hospital, Beijing, China

Xiaoyan Zhang

Affiliation Department of Pediatrics, Peking University First Hospital, Beijing, China

Xuejuan Li

Affiliation Department of Pediatrics, Peking University First Hospital, Beijing, China

Yanqin Zhang

Affiliation Department of Pediatrics, Peking University First Hospital, Beijing, China

Baihong Li

Affiliation Department of Pediatrics, Peking University First Hospital, Beijing, China

Jie Ding

djnc_5855@126.com

Affiliation Department of Pediatrics, Peking University First Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JD XZ. Performed the experiments: FD XL YZ BL. Analyzed the data: FD XL XZ. Contributed reagents/materials/analysis tools: FD XL YZ. Wrote the paper: FD.