1. Department of Gastroenterology and Metabolism, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi,
Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan
2. Department of Medicine, University of Santo Tomas, Manila, Philippines
3. Department of Gastroenterology, Rui Jing Hospital, Shanghai Jino Tong University School of Medicine, Shanghai, China
4. Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Siriraj Hospital Mahidol University, Bangkok, Thailand
5. Department of Internal Medicine, Faculty of Medicine and Cipto Mangunkusumo Hospital, University of Indonesia and Indonesian University School of Medicine, Jakarta, Indonesia
6. Lee Gil Ya Cancer and Diabetes Institute, Gachon University of Medicine and Science, Incheon, Republic of Korea
7. Department of Gastroenterology, School of Medicine, Kyorin University, Tokyo, Japan
8. Second Department of Internal Medicine, Shimane University School of Medicine, Izumo, Japan
9. Division of Lower Gastroenterology, Department of Medicine, Hyogo College of Medicine, Nishinomiya, Japan
10. Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Kyoto, Japan
11. Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
12. Department of Gastroenterology, Graduate School of Medicine, Osaka City University, Osaka, japan
13. Dokkyo Medical University, Mibu, Shimotsuga, Japan