1. Department of Gastroenterology and Hepatology, Saiseikai Suita Hospital, Suita, Osaka 564‑0013, Japan
2. Department of Laboratory Medicine, Saiseikai Suita Hospital, Suita, Osaka 564‑0013, Japan
3. Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602‑8566, Japan
4. Department of Gastroenterology, Kyoto Kujo Hospital, Kyoto 601‑8453, Japan
5. Department of Gastroenterology and Hepatology, Fukuchiyama City Hospital, Fukuchiyama, Kyoto 620‑8505, Japan