1. Division of Medicine and Clinical Science Department of Multidisciplinary Internal Medicine Faculty of Medicine Tottori University TottoriJapan
2. Irisawa Medical Clinic ShimaneJapan
3. Department of Gastroenterology Aichi Cancer Center Hospital AichiJapan
4. Third Department of Internal Medicine Graduate School of Medicine University of Toyama ToyamaJapan
5. Department of Gastroenterology Teikyo University Mizonokuchi Hospital KanagawaJapan
6. Department of Gastroenterology and Hepatology Tokyo Medical University TokyoJapan
7. Department of Data Science The Institute of Statistical Mathematics Tokyo Japan