1. Department of Clinical Pharmacy, School of Pharmacy Kitasato University Tokyo Japan
2. Department of Gastroenterology Kitasato University Medical Center Saitama Japan
3. Department of Internal Medicine Saitama Medical Center Saitama Japan
4. Bioscience Division, Research and Development Management Department Tosoh Corporation Kanagawa Japan
5. Fellowship Training Center and Medical Education Center Keio University School of Medicine Keio University Tokyo Japan