1,400
Participants
Start Date
September 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 People's Hospital of Dehong Autonomous Prefecture
OTHER
Guangzhou Medical University
OTHER
Nanfang Hospital of Southern Medical University, Guangdong of China
UNKNOWN
Children's Hospital of Fudan University
OTHER