1. Department of Hepatobiliary Surgery and Institute of Advanced Surgical Technology and Engineering The First Affiliated Hospital of Xi'an Jiaotong University Xi'an China
2. Department of Surgery, Division of Surgical Oncology, Winship Cancer Institute Emory University Atlanta Georgia USA
3. Department of Surgery University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
4. Department of Surgery Stanford University Medical Center Stanford California USA
5. Department of Surgery New York University New York New York USA
6. Department of Surgery Washington University School of Medicine St Louis Missouri USA
7. Department of Surgery, Division of Surgical Oncology The Johns Hopkins Hospital Baltimore Maryland USA
8. Department of Surgery, Division of Surgical Oncology University of Louisville Louisville Kentucky USA
9. Department of Surgery, Division of Surgical Oncology Vanderbilt University Medical Center Nashville Tennessee USA
10. Department of Surgery Wake Forest University Winston‐Salem North Carolina USA
11. Department of Surgery The Ohio State University Wexner Medical Center Columbus Ohio USA