2,000
Participants
Start Date
October 1, 2015
Primary Completion Date
December 30, 2025
Study Completion Date
December 30, 2025
RECRUITING
Children Hospital of Fudan University, Shanghai
Xiamen Children's Hospital, Fujian of China
OTHER
Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region
OTHER
Guangzhou Women and Children's Medical Center
OTHER
Second Affiliated Hospital of Wenzhou Medical University
OTHER
Maternal and Child Health Hospital of Hubei Province
OTHER
The Maternal & Children Health Hospital of Dehong, Yunnan of China
OTHER
Children's Hospital of Fudan University
OTHER