1. Endoscopy Center, Ehime University Hospital, Toon, Ehime, Japan
2. Health Services Center, Ehime University, Matsuyama, Ehime, Japan
3. Department of Rehabilitation, Ehime Prefectural Central Hospital, Matsuyama, Ehime, Japan
4. Department of Inflammatory Bowel Diseases and Therapeutics, Ehime University Graduate School of Medicine, Ehime, Japan
5. Faculty of Collaborative Regional Innovation, Ehime University, Matsuyama, Ehime, Japan
6. Department of Internal Medicine, Anbiru Hospital, Kagoshima, Japan
7. Community Health Systems for Nursing, Ehime University Graduate School of Medicine, Toon, Ehime, Japan
8. Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan