Received: 27 May 2020
Accepted: 13 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study was approved by the ethics committee of our hospital and strictly adhered to the tenets of the Declaration of Helsinki (code of Ethical approval for scientific research project:2019 Ethical Scientific Research Approval No. 2004). In addition, the parents or guardians of the study participants gave written consent for their respective minors to participate in the study.
: Written informed consent was obtained from the patients’ guardians for publication of clinical data.
: The authors declare that they have no competing interests.