- 
							*Masateru Miyake
														
									Division of Gastroenterology, Department of Internal Medicine Keio University School of Medicine Formulation Research Institute, Otsuka Pharmaceutical Co. Ltd.,
							 
- 
							Nobuhiko Kamada
														
									Division of Gastroenterology, Department of Internal Medicine Keio University School of Medicine
							 
- 
							Mina T. Kitazume
														
									Division of Gastroenterology, Department of Internal Medicine Keio University School of Medicine
							 
- 
							Hajime Toguchi
														
									Formulation Research Institute, Otsuka Pharmaceutical Co. Ltd.,
							 
- 
							Tadashi Mukai
														
									Formulation Research Institute, Otsuka Pharmaceutical Co. Ltd.,
							 
- 
							Susumu Okamoto
														
									Division of Gastroenterology, Department of Internal Medicine Keio University School of Medicine
							 
- 
							Toshifumi Hibi
														
									Division of Gastroenterology, Department of Internal Medicine Keio University School of Medicine