1. Department of Gastroenterology and Neurology, Faculty of Medicine, Kagawa University, Miki‑cho, Kagawa 761‑0793, Japan
2. Department of Laboratory Medicine, Kawasaki Medical School, Kurashiki, Okayama 701‑0192, Japan
3. Information Technology Center, Kagawa University, Miki‑cho, Kagawa 761‑0793, Japan
4. Department of Gastroenterological Surgery, Faculty of Medicine, Kagawa University, Miki‑cho, Kagawa 761‑0793, Japan
5. Department of Healthy Science, Faculty of Medicine, Kagawa University, Miki‑cho, Kagawa 761‑0793, Japan
6. Department of Clinical Examination, Faculty of Health Sciences, Kagawa Prefectural University of Health Sciences, Takamatsu, Kagawa 761‑0123, Japan