Funding for this research was provided by:
Medical and Health of Science and Technology Project of Zhejiang Province (2018KY758)
Received: 15 February 2020
Accepted: 15 April 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: This research was approved by the Ethics Committee of Wenzhou Central Hospital. It is a retrospective study without any identifiers related with patients. All patients participating in the study wrote informed consent.
: All patients in this study provided their consent for publication.
: The authors declare that they have no conflict of interest.