Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (LQ14H010001)
Received: 29 June 2020
Accepted: 21 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Children’s Hospital, Zhejiang University School of Medicine (2020-IRB-030).
: Written informed consent for publication was obtained from all participants and their parents.
: The authors declare that they have no competing interests.