About the Authors

Weifang Zhang

Affiliation Department of Administration, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China

Dingwan Chen

Affiliation Department of Public Health, Zhejiang Medical College, Hangzhou, 310003, China

Yanhua Xu

Affiliation Department of Administration, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China

Rulai Yang

Affiliation Department of Administration, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China

Zhengyan Zhao

chzwf@zju.edu.cn

Affiliation Department of Administration, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WZ DC YX RY ZZ. Performed the experiments: WZ DC YX RY ZZ. Analyzed the data: WZ DC YX RY ZZ. Contributed reagents/materials/analysis tools: WZ DC YX RY ZZ. Wrote the paper: WZ DC YX RY ZZ.