Li-Jun Wu, Zi-Yan Chen, Jun-Gang Zhao, Xiao-Zai Xie, Gang Chen, Department of Hepatobiliary Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
Yi Wang, Research Center of Evidence-Based Medicine and Clinical Epidemiology, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
Author contributions: All the authors contributed to the search and analysis of the literature and to the writing of the paper.
Supported by the Natural Science Foundation of Zhejiang Province, No. LY17H160047; the Science Technology Department of Zhejiang Province, No. 2018C37114; and the National Natural Science Foundation of China, No. 81772628 and No. 81703310.
Conflict-of-interest statement: The authors declare that they have no conflicts of interest.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Gang Chen, MD, PhD, Professor, Department of Hepatobiliary Surgery, The First Affiliated Hospital, Wenzhou Medical University, Nanbaixiang, Ouhai District, Wenzhou 325000, Zhejiang Province, China. email@example.com
Telephone: +86-577-55579453 Fax: +86-577-55579555
Received: February 21, 2019
Peer-review started: February 22, 2019
First decision: March 5, 2019
Revised: March 12, 2019
Accepted: March 16, 2019
Article in press: March 16, 2019
Published online: April 28, 2019