[1] Hiroshima University Hospital,Department of Gastroenterology and Metabolism
[2] Hiroshima University Hospital,Department of Endoscopy
[3] Hiroshima City Asa Citizens Hospital,Department of Gastroenterology
[4] Hiroshima City Hiroshima Citizens Hospital,Department of Internal Medicine
[5] National Hospital Organization Kure Medical Center and Chugoku Cancer Center,Department of Gastroenterology
[6] Hiroshima Prefectural Hospital,Department of Endoscopy
[7] Hiroshima General Hospital,Department of Gastroenterology
[8] Onomichi General Hospital,Department of Gastroenterology
[9] Hiroshima Red Cross Hospital and Atomic-Bomb Survivors Hospital,Department of Gastroenterology
[10] Miyoshi Central Hospital,Department of Gastroenterology
[11] Chugoku Rosai Hospital,Department of Gastroenterology
[12] Kure Kyosai Hospital,Department of Gastroenterology
[13] Hiroshima University Hospital,Division of Regeneration and Medicine Center for Translational and Clinical Research