Ryohei KUMANO¹, Takuya ISHIKAWA¹, Kentaro YAMAO², Kouta UETSUKI¹, Noriaki GIBO¹, Takashi HONDA¹, Masanao NAKAMURA², Youzi ISHIDU¹, Kenta YAMAMOTO¹, Hiroki KAWASHIMA^1,2 (1.Graduate School of Medicine Gastroenterology, Nagoya University, 2.Optical Medical Treatment Department, Nagoya University Hospital)

Hirofumi YAMAZAKI, Yasunobu YAMASHITA, Reiko ASHIDA, Masayuki KITANO (Second Department of Internal Medicine, Wakayama Medical University)

Shinsuke KOSHITA¹, Kazuki ENDO⁴, Yutaka NODA³, Yoshihide KANNO¹, Takahisa OGAWA¹, Hiroaki KUSUNOSE¹, Toshitaka SAKAI¹, Masaya OIKAWA², Sawai TAKASHI³, Kei ITO¹ (1.Department of Gastroenterology, Sendai City Medical Center, 2.Department of Surgery, Sendai City Medical Center, 3.Department of Pathology, Sendai City Medical Center, 4.Department of Gastroenterology, Yokohama City University Medical Center)

Hirotaka SUZUKI¹, Hiroshi MATSUBARA¹, Takuya ISHIKAWA², Kentaro YAMAO², Yasuyuki MIZUTANI², Tadashi IIDA², Hiroki KAWASHIMA² (1.Department of Gastroenterology, Toyohashi Municipal Hospital, 2.Department of Gastroenterology, Nagoya University Graduate School of Medicine)

Shuhei SHINTANI, Kosuke HIROE, Osamu INATOMI, Akira ANDOH (Gastroenterology, Shiga University of Medical Science)