Wang, Saibin http://orcid.org/0000-0002-1749-1200
Tu, Junwei
Article History
Received: 29 October 2019
Accepted: 30 May 2020
First Online: 6 June 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Jinhua Municipal Central Hospital. The requirement for informed consent was waived because the data were anonymous.
: Not applicable.
: The authors declare that they have no competing interests.