[1] Department of Radiology,
[2] University of British Columbia,undefined
[3] 2211 Wesbrook Mall,undefined
[4] Vancouver,undefined
[5] BC V6T 2B5,undefined
[6] Canada,undefined
[7] Department of Radiology,undefined
[8] St. Paul's Hospital,undefined
[9] 1081 Burrard Street,undefined
[10] Vancouver,undefined
[11] BC V6Z 1Y6,undefined
[12] Canada,undefined
[13] Department of Pathology,undefined
[14] St. Paul's Hospital,undefined
[15] 1081 Burrard Street,undefined
[16] Vancouver,undefined
[17] BC V6Z 1Y6,undefined
[18] Canada,undefined
[19] Department of Medicine,undefined
[20] Division of Gastroenterology,undefined
[21] St. Paul's Hospital,undefined
[22] 1081 Burrard Street,undefined
[23] Vancouver,undefined
[24] BC V6Z 1Y6,undefined
[25] Canada,undefined