Kun Liu
Departments of Hepatobiliary Surgery and Ultrasound, Qingdao, Municipal Hospital, Ocean University of China, Qingdao, China
Minghui Zhang
Ultrasound, Qingdao, Municipal Hospital, Ocean University of China, Qingdao, China
Xiao Liang
Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
Xiujun Cai
Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China