1. Department of Gastroenterology, Japanese Red Cross Society Hadano Hospital, Kanagawa, Japan
2. Biostatistics Center, Shionogi & Co., Ltd., Osaka, Japan
3. Medical Affairs, Shionogi & Co., Ltd., Osaka, Japan
4. Medical Science, Shionogi & Co., Ltd., Osaka, Japan
5. Clinical Development, Shionogi & Co., Ltd., Osaka, Japan
6. Project Management, Shionogi & Co., Ltd., Osaka, Japan