Takatoshi Chinen, MD, Tadashi Misawa, MD, Takashi Yao, MD, Toshifumi Nasu, MD, Koki Yoshida, MD, Shigeru Kubo, MD, Satoshi Toyoshima, MD, Tsugio Sakaguchi, MD, Naohiko Harada, MD ⁎
Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu, Japan (TC, TM); Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan (TY); Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu, Japan (TN, KY, SK); Department of Pathology, Kitakyushu Municipal Medical Center, Kitakyushu, Japan (ST); Sakaguchi Clinic, Kitakyushu, Japan (TS); Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan (NH)