424
Participants
Start Date
December 31, 2014
Primary Completion Date
October 16, 2019
Study Completion Date
October 16, 2019
methylprednisolone
Beijing Children's Hospital, Capital Medical University, Beijing
Shengjing Hospital
OTHER
Children's Hospital of The Capital Institute of Pediatrics
OTHER
Shanxi Provincial Maternity and Children's Hospital
OTHER
Baoding Children's Hospital
OTHER
Beijing Children's Hospital
OTHER