About the Authors

Ping Wang

Contributed equally to this work with: Ping Wang, Jing-jing Tong

Affiliations Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, 100045, China, Department of Obstetrics, Beijing Obstetrics and Genecology Hospital, Capital Medical University, Beijing, 100026, China

Jing-jing Tong

Contributed equally to this work with: Ping Wang, Jing-jing Tong

Affiliation Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, 100045, China

Xiu-hua Ma

Affiliation Department of Obstetrics, People’s Hospital of Beijing Daxing District, Capital Medical University, Beijing, 102600, China

Feng-li Song

Affiliation Department of Obstetrics, People’s Hospital of Beijing Daxing District, Capital Medical University, Beijing, 102600, China

Ling Fan

Affiliation Department of Obstetrics, Beijing Obstetrics and Genecology Hospital, Capital Medical University, Beijing, 100026, China

Cui-mei Guo

Affiliation Department of Obstetrics, Beijing Obstetrics and Genecology Hospital, Capital Medical University, Beijing, 100026, China

Wei Shi

Affiliation Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, 100045, China

Sang-jie Yu

Affiliation Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, 100045, China

Kai-hu Yao

jiuhu2655@sina.com (KY); yyh628628@sina.com (YY)

Affiliation Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, 100045, China

Yong-hong Yang

jiuhu2655@sina.com (KY); yyh628628@sina.com (YY)

Affiliation Key Laboratory of Major Diseases in Children and National Key Discipline of Pediatrics, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, Beijing, 100045, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YY. Performed the experiments: PW JT WS KY SY. Analyzed the data: PW JT. Contributed reagents/materials/analysis tools: YY. Wrote the paper: JT PW YY. Contributed clinical data: PW XM FS LF CG.