Li, Lele
Su, Chang
Fan, Lijun
Gao, Fenqi
Liang, Xuejun
Gong, Chunxiu
Funding for this research was provided by:
The Special Fund of The Pediatric Medical Coordinated Development Center of Beijing Municipal Administration (XTYB201808)
Beijing Natural Science Foundation (No. 7204260)
Article History
Received: 26 February 2020
Accepted: 30 June 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Medical Ethics Review Board of Beijing Children’s Hospital (ID: 2019-k-156).
: Not required.
: The authors have no conflicts of interest to disclose.