4,533
Participants
Start Date
June 1, 2017
Primary Completion Date
January 1, 2019
Study Completion Date
March 1, 2019
no intervention
no intervention
Children's Hospital of Fudan University, Shanghai
Shanghai Children's Hospital
OTHER
Shanghai Children's Medical Center
OTHER
Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
OTHER
Children's Hospital of Fudan University
OTHER