[1] Department of Radiology,
[2] University of Pittsburgh School of Medicine,undefined
[3] 200 Lothrop Street,undefined
[4] Pittsburgh,undefined
[5] PA 15213-2582,undefined
[6] USA,undefined
[7] Division of Gastroenterology and Hepatology,undefined
[8] Department of Medicine,undefined
[9] University of Pittsburgh School of Medicine,undefined
[10] 200 Lothrop Street,undefined
[11] Pittsburgh,undefined
[12] PA 15213-2582,undefined
[13] USA,undefined