Funding for this research was provided by:
Natural Science Foundation of Liaoning Province (2019-ZD-0913)
Received: 11 December 2020
Accepted: 5 July 2021
First Online: 12 July 2021
: This study was approved by the Ethics Committee of the Second Hospital of Dalian Medical University, and written informed consent was obtained from all participants and the legal guardian of the participants under the age of 16.
: Written informed consent for publication of identifying images or other personal or clinical details was obtained from all participants and the legal guardian of the participants under the age of 18.
: The authors declare that they have no competing interests.