1. Department of Allergy and Respiratory Medicine, Tohno-Chuo Clinic, Mizunami, Japan
2. Department of Gastroenterology, Sato Clinic, Shibuya- ku, Tokyo, Japan
3. Department of Internal Medicine, Kanauchi Medical Clinic, Shinjuku- ku, Tokyo, Japan
4. Medical Affairs, Mylan EPD G.K, Tokyo, Japan
5. Department of Gastroenterology, Kimuranaika-ichonaika, Yokohama, Kanagawa, Japan