1. Department of Gastroenterology and Hepatology Yodogawa Christian HospitalOsakaJapan
2. First Research Department Tazuke Kofukai Medical Research InstituteOsakaJapan
3. Department of Gastroenterology and Hepatology Kitano HospitalOsakaJapan
4. Department of Gastroenterology Japanese Red Cross Hospital Wakayama Medical Center WakayamaJapan
5. Department of Gastroenterology and Hepatology Japanese Red Cross Osaka HospitalOsakaJapan
6. Department of Gastroenterology Osaka City General HospitalOsakaJapan
7. Division of Gastroenterology and Nephrology Department of Multidisciplinary Internal Medicine Faculty of Medicine Tottori University TottoriJapan
8. Department of Gastroenterology Fukuoka University Chikushi Hospital FukuokaJapan
9. Department of Gastroenterology and Hepatology Kindai UniversityOsakaJapan
10. Department of Gastroenterology and Hepatology Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical SciencesOkayamaJapan
11. Department of Medical Engineering Faculty of Health Sciences Morinomiya University of Medical SciencesOsakaJapan
12. Help Center of Medical Research Tazuke Kofukai Medical Research Institute OsakaJapan
13. Kyoto University Health Service Kyoto Japan
14. General Internal Medicine 2 Kawasaki Medical School General Medical Center OkayamaJapan