Chen, Guiqin
Nie, Lei
Zhang, Tijiang
Article History
Received: 30 April 2021
Accepted: 21 June 2021
First Online: 6 July 2021
Declarations
:
: Not applicable.
: This study was approved by the ethics committee of The Affiliated Hospital of Zunyi Medical University, and written informed consent was obtained from the parents of the participant for the publication of this manuscript and any potentially-identifying images/information.
: The authors declare no competing interests.