Received: 5 January 2021
Accepted: 19 April 2021
First Online: 10 May 2021
: This clinical study was conducted in accordance with the guidelines of the Declaration of Helsinki. Written informed consent was obtained from all participants prior to inclusion in the study. The study protocol was reviewed and approved by the ethics committee of Ningbo First Hospital and each participating institution (Reference Number 2018-R014). The study was registered with ClinicalTrials.gov (ID: NCT03619122) on 7/8/2018.
: Not applicable.
: The authors declare that they have no competing interests.