Funding for this research was provided by:
Natural Science Foundation of Shanghai (17ZR1438000)
Project of Science and Technology Development Plan in Suzhou (SYSD2018138)
Project of Clinical Expert Team Introduction in Suzhou (SZYJTD201807)
Received: 9 April 2020
Accepted: 4 June 2020
First Online: 11 June 2020
Ethics approval and consent to participate
: Informed consent was obtained from all patients, and the study protocol and consent procedures were approved by the Ethics Committee of Shanghai Eastern Hepatobiliary Surgery Hospital.
: Not applicable.
: The authors declare that they have no competing interests.