[1
]
Department of Gastroenterology and Metabolism, Hiroshima University Hospital, 1-2-3,
Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
[2
]
Department of Gastroenterology and Metabolism, Hiroshima University Hospital, 1-2-3,
Kasumi, Minami-ku, Hiroshima, 734-8551, Japan. oka4683@hiroshima-u.ac.jp.
[3
]
Department of Endoscopy, Hiroshima University Hospital, Hiroshima, Japan.
[4
]
Department of Gastroenterology, Hiroshima City Asa Citizens Hospital, Hiroshima, Japan.
[5
]
Department of Endoscopy, Hiroshima Prefectural Hospital, Hiroshima, Japan.
[6
]
Department of Gastroenterology, National Hospital Organization Kure Medical Center
and Chugoku Cancer Center, Kure, Japan.
[7
]
Department of Gastroenterology, JA Hiroshima General Hospital, Hiroshima, Japan.
[8
]
Department of Internal Medicine, Hiroshima Memorial Hospital, Hiroshima, Japan.
[9
]
Department of Internal Medicine, Hiroshima City Hiroshima Citizens Hospital, Hiroshima,
Japan.
[10
]
Department of Gastroenterology, Chugoku Rosai Hospital, Kure, Japan.
[11
]
Department of Gastroenterology, JA Onomichi General Hospital, Onomichi, Japan.
[12
]
Department of Gastroenterology, Hiroshima Red Cross Hospital and Atomic-Bomb Survivors
Hospital, Hiroshima, Japan.
[13
]
Department of Gastroenterology, Shobara Red Cross Hospital, Shobara, Japan.
[14
]
Department of Anatomical Pathology, National Hospital Organization Kure Medical Center
and Chugoku Cancer Center, Kure, Japan.
[15
]
Faculty of Health Sciences, Hiroshima Shudo University, Hiroshima, Japan.