Funding for this research was provided by:
Department of Education of Zhejiang Province (Y201737812)
Received: 13 October 2020
Accepted: 18 March 2021
First Online: 31 March 2021
: Our study was approved by the Ethics Review Committee of the Second Affiliated Hospital of Zhejiang University School of Medicine. The approval included permission to access the raw data from the hospital medical records. Written informed consent was obtained from all subjects in our study.
: Not applicable.
: The authors declare that they have no competing interests.