About the Authors

Xin-Nan Zong

Roles Formal analysis, Methodology, Writing – original draft

Affiliation Department of Growth and Development, Capital Institute of Pediatrics, Beijing, China

Hui Li

Roles Conceptualization, Supervision

huiligrowth@163.com

Affiliation Department of Growth and Development, Capital Institute of Pediatrics, Beijing, China

Ya-Qin Zhang

Roles Writing – review & editing

Affiliation Department of Growth and Development, Capital Institute of Pediatrics, Beijing, China

Hua-Hong Wu

Roles Writing – review & editing

Affiliation Department of Growth and Development, Capital Institute of Pediatrics, Beijing, China

Competing Interests

NO authors have competing interests.