SOROIDA Yoko¹, NAKATSUKA Takuma², SATO Masaya^{1, 2}, NALAGAWA Hayato², TANAKA Mariko³, YAMAUCHI Naoko³, IKEDA Hitoshi¹, TATEISHI Ryosuke², YATOMI Yutaka¹, KOIKE Kazuhiko² (1.Clinical Laboratory, The University of Tokyo, 2.Department of Gastroenterology, The University of Tokyo, 3.Department of Pathology, The University of Tokyo)

OSAWA Leona¹, TSUCHIYA Kaoru¹, TAKADA Hitomi², TAMAKI Nobuharu¹, YASUI Yutaka¹, NAKANISHI Hiroyuki¹, ITAKURA Jun¹, KUROSAKI Masayuki¹, ENOMOTO Nobuyuki², IZUMI Namiki¹ (1.Gastroenterology, Musashino Red Cross Hospital, 2.Gastroenterology, University of Yamanashi)

IKEDA Eriko^{1, 2}, USHIO Jun¹, YOKOHAMA Kensuke¹, TADA Yamato¹, KAWASAKI Yuki¹, SAKAGUCHI Maori², TAMADA Kiichi¹, FUKUSHIMA Noriyoshi² (1.Department of Medicine Div of Gastroenterology, Jichi Medical Univ, 2.Pathology, Jichi Medical Univ)