1 Department of Hepatobiliary Surgery, West China Hospital of Sichuan University, Chengdu, 610041, Sichuan Province, China.
2 Department of Gastroenterology and Hepatology, Postgraduate School Molecular Medicine, Erasmus MC-University Medical Center, Rotterdam, The Netherlands.
3 Department of Hepatobiliary Surgery, West China Hospital of Sichuan University, Chengdu, 610041, Sichuan Province, China. lfy_74@hotmail.com.