1. General Internal Medicine, Nagoya Daini Red Cross Hospital; 2-9 Myoken-cho, Showa-ku Nagoya Aichi 466-8650 Japan
2. Department of Surgery; Teikyo University School of Medicine; Tokyo Japan
3. Section of Hepatobiliary and Pancreatic Surgery; Washington University in Saint Louis School of Medicine; Saint Louis MO USA
4. Department of Surgery; University of Cincinnati College of Medicine; Cincinnati OH USA
5. Department of Emergency and Critical Care Medicine; Ichinomiya Municipal Hospital; Ichinomiya Japan
6. Center for Clinical Infectious Diseases, Jichi Medical University; Tochigi Japan
7. Department of Surgery; Indiana University School of Medicine; Indianapolis IN USA
8. Clinical Surgery; The University of Edinburgh; Edinburgh UK
9. Department of Gastroenterology; Ogaki Municipal Hospital; Ogaki Japan
10. Department of Endoscopy and Ultrasound; Kawasaki Medical School; Okayama Japan
11. Department of Radiology; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
12. Clinical Research Center Kaken Hospital; International University of Health and Welfare; Ichikawa Japan
13. Department of Surgery; Kitakyushu Municipal Yahata Hospital; Kitakyushu Japan
14. Department of Medicine and Clinical Oncology; Graduate School of Medicine Chiba University; Chiba Japan
15. Department of Gastroenterology and Hepatology; Tokyo Medical University; Tokyo Japan
16. Department of Gastroenterological Surgery; Fukuoka University School of Medicine; Fukuoka Japan
17. First Department of Surgery; Agia Olga Hospital; Athens Greece
18. Department of Surgery, Surgery Centre; Hong Kong Sanatorium and Hospital; Hong Kong Hong Kong
19. Faculty of Medicine; The Chinese University of Hong Kong; Hong Kong Hong Kong
20. Department of Surgical Gastroenterology; Seth G S Medical College and K E M Hospital; Mumbai India
21. General and HPB Surgery, Loreto Nuovo Hospital; Naples Italy
22. Department of Surgery; College of Medicine-Philippine General Hospital, University of the Philippines; Manila Philippines
23. Hepatobiliary and Pancreatic Surgery, Nexus Surgical Associates, Mount Elizabeth Hospital; Singapore Singapore
24. Department of Internal Medicine, Asan Medical Center; University of Ulsan; Seoul Korea
25. Department of Surgery; Seoul National University College of Medicine; Seoul Korea
26. Yuan's General Hospital; Kaohsiung Taiwan