1 Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan.
2 Department of Endoscopic Diagnostics and Therapeutics, Kyushu University Hospital, Fukuoka, 812-8582, Japan.
3 International Medical Department, Kyushu University Hospital, Fukuoka, 812-8582, Japan.
4 Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan.
5 Department of Medicine and Clinical Science, Graduate School of Medical Science, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan. torisu.takehiro.437@m.kyushu-u.ac.jp.