Received: 8 June 2020
Accepted: 30 September 2020
First Online: 7 October 2020
Ethics approval and consent to participate
: This study complied with the tenets of the Declaration of Helsinki, and the protocol was approved by the ethics committee of our hospital (Ethics Committee of Yao Municipal Hospital). All patients provided written informed consent to participate.
: Not Applicable.
: The authors have no financial or other relations that could lead to a conflict of interest.