- 
							Shuji OTAKI
														
									Department of Surgery, Teikyo University Hospital at Mizonokuchi
							 
- 
							Hitosi KANEKO
														
									Department of Surgery, Teikyo University Hospital at Mizonokuchi
							 
- 
							Tatsuo YAMAKAWA
														
									Department of Surgery, Teikyo University Hospital at Mizonokuchi
							 
- 
							Shigetaka AOKI
														
									Department of Gastroenterology, The Kanagawa Health Service Association
							 
- 
							Tsuneo TAKEI
														
									Department of Gastroenterology, The Kanagawa Health Service Association
							 
- 
							Reiko INOUE
														
									Department of Gastroenterology, The Kanagawa Health Service Association
							 
- 
							Yosiyuki SEKIZAWA
														
									Second Department of Surgery, Yokohama City University School of Medicine
							 
- 
							Keigo MATSUO
														
									Second Department of Surgery, Yokohama City University School of Medicine
							 
- 
							Hidenobu MASUI
														
									Second Department of Surgery, Yokohama City University School of Medicine
							 
- 
							Shigeki YAMAGUTI
														
									Second Department of Surgery, Yokohama City University School of Medicine
							 
- 
							Tosiaki JOU
														
									Second Department of Surgery, Yokohama City University School of Medicine
							 
- 
							Shigeo OHKI
														
									Second Department of Surgery, Yokohama City University School of Medicine