1. Department of Radiology; 4800 Alberta Avenue, Texas Tech University Health Sciences Center, Paul L Foster School of Medicine; El Paso; Texas 79905; USA
2. Joint Department of Medical Imaging; Mount Sinai Hospital, University Health Network, and Women's College Hospital; Room 574, 600 University Avenue; Toronto; ON, M5G 1X5; Canada
3. Department of Pathology; Texas Tech University Health Sciences Center, El Paso; Texas
4. Department of Radiology; Texas Tech University Health Sciences Center; Texas
5. Department of Diagnostic Radiology; The University of Texas MD Anderson Cancer Center; Houston; TX