[1] Kindai University Faculty of Medicine,Department of Gastroenterology and Hepatology
[2] Osaka Medical College,The Second Department of Internal Medicine
[3] Bell Land General Hospital,Department of Gastroenterology
[4] Japanese Red Cross Wakayama Medical Center,Department of Gastroenterology
[5] Toyonaka Municipal Hospital,Department of Gastroenterology
[6] Kansai Medical University,The Third Department of Internal Medicine
[7] Kitano Hospital,Digestive Disease Center
[8] Takarazuka City Hospital,Department of Gastroenterology
[9] Kobe University Graduate School of Medicine,Division of Gastroenterology, Department of Internal Medicine
[10] Kindai University Hospital,Clinical Research Center
[11] Kita-Harima Medical Center,Department of Gastroenterology