Funding for this research was provided by:
Wenzhou Science and Technology Key Problem Program (ZY202004)
Received: 4 May 2020
Accepted: 30 August 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of Wenzhou Central Hospital (No. L2020–01-054). Written consent was waived by the IRB as described previously. This study has been approved by the ethics committee of Wenzhou Central Hospital. The data used in this study was anonymised before analysis.
: Not applicable.
: The authors declare that they have no competing interests to disclose.