Funding for this research was provided by:
Zhejiang Province Medical and Health Science and Technology Project (2018KY382)
Received: 18 May 2020
Accepted: 28 May 2020
First Online: 5 June 2020
Ethics approval and consent to participate
: This study is reviewed and approved by the ethics committee of the First Affiliated Hospital of Zhejiang University. Following a full explanation of the study, written consent was obtained from each patient or his/her authorized representatives.
: Not applicable.
: The authors declare that they have no competing interests.