761
Participants
Start Date
April 30, 2014
Primary Completion Date
December 31, 2019
Study Completion Date
December 31, 2020
First Hospital of Jilin University, Changchun
Children's Hospital of Fudan University, Shanghai
Shanghai First Maternity and Infant Hospital, Shanghai
The First People's Hospital of Hefei, Hefei
Ningbo Women's and Children's Hospital, Ningbo
Xiamen Women's and Children's Health Centre, Xiamen
People's Hospital of Zhangzhou, Zhangzhou
The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou
Maternal and Child Health Hospital of Guiyang Province, Guiyang
Zhongshan Bo Ai Hospital, Zhongshan
First Affiliated Hospital of Kunming Medical University, Kunming
Shanxi Provincial Maternity and Children's Hospital, Xian
First Affiliated Hospital of Xinjiang Medical University, Ürümqi
Handan Central Hospital, Handan
Children's Hospital of Fudan University
OTHER