aDepartment of Gastroenterology, General Hospital of Northern Theater Command (formerly called General Hospital of Shenyang Military Area), Shenyang
bPostgraduate College, Dalian Medical University, Dalian, China
cThe Liver Unit and Monarch Liver Laboratory, Cochin Gastroenterology Group, Ernakulam Medical Center, Kochi, India
dCRC ‘A. M. e A. Migliavacca’ Center for Liver Disease, Division of Gastroenterology and Hepatology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
eLiver Research Unit Medica Sur Clinic and Foundation, Mexico City, Mexico
*Le Wang, Xiaozhong Guo, and Xiangbo Xu contributed equally to the writing of this article.
Received 20 February 2020 Accepted 9 April 2020
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Correspondence to Xingshun Qi, MD, Department of Gastroenterology, General Hospital of Northern Theater Command (formerly General Hospital of Shenyang Military Area), No. 83 Wenhua Road, Shenyang, China, Tel: +86 18909881019; fax: +86 24 28851113; e-mail: [email protected]