[1] Department of Medicine,
[2] Division of Gastroenterology,undefined
[3] Veterans General Hospital,undefined
[4] National Yang-Ming University School of Medicine,undefined
[5] Taipei,undefined
[6] Taiwan,undefined
[7] Republic of China,undefined
[8] Department of General Surgery,undefined
[9] Division of Gastroenterology,undefined
[10] Veterans General Hospital,undefined
[11] National Yang-Ming University School of Medicine,undefined
[12] Taipei,undefined
[13] Taiwan,undefined
[14] Republic of China,undefined
[15] Department of Pathology,undefined
[16] Division of Gastroenterology,undefined
[17] Veterans General Hospital,undefined
[18] National Yang-Ming University School of Medicine,undefined
[19] Taipei,undefined
[20] Taiwan,undefined
[21] Republic of China,undefined