Funding for this research was provided by:
The Special Fund of the Pediatric Coordinated Development Center of Beijing Hospitals Authority ((XTCX201821))
Article History
Received: 30 January 2022
Accepted: 3 July 2022
First Online: 22 August 2022
Declarations
:
: This study was approved by the Medical Ethics Committee of the Children’s Hospital affiliated to the Capital Institute of Pediatrics (REC approval number: SHERLL2020052).
: No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. The authors have no conflict of interest to declare.