[1] Department of Gastroenterology and Hepatology,
[2] Kyoto University Graduate School of Medicine,undefined
[3] 54 Shogoin Kawahara-cho,undefined
[4] Sakyo-ku,undefined
[5] Kyoto 606-8507,undefined
[6] Japan,undefined
[7] Second Department of Internal Medicine,undefined
[8] Kinki University School of Medicine,undefined
[9] Osakasayama,undefined
[10] Japan,undefined
[11] Second Department of Surgery,undefined
[12] Kobe City General Hospital,undefined
[13] Kobe,undefined
[14] Japan,undefined
[15] Department of Pathology,undefined
[16] Kobe City General Hospital,undefined
[17] Kobe,undefined
[18] Japan,undefined
[19] Department of Gastroenterology,undefined
[20] Kobe City General Hospital,undefined
[21] Kobe,undefined
[22] Japan,undefined