[1] Department of Diagnostic Radiology,
[2] Allegheny General Hospital,undefined
[3] 320 East North Avenue,undefined
[4] Pittsburgh,undefined
[5] PA 15212-4772,undefined
[6] USA,undefined
[7] Department of Laboratory Medicine,undefined
[8] Allegheny General Hospital,undefined
[9] Pittsburgh,undefined
[10] Pennsylvania,undefined
[11] USA,undefined
[12] Department of Neurosurgery,undefined
[13] Allegheny General Hospital,undefined
[14] Pittsburgh,undefined
[15] Pennsylvania,undefined
[16] USA,undefined