1. Division of Interventional Radiology; Department of Radiology; The University of Tennessee Health Science Center; Memphis TN USA
2. Division of Interventional Radiology; Mallinckrodt Institute of Radiology; Washington University School of Medicine; St. Louis MO USA
3. Division of Interventional Radiology; Department of Radiology and Biomedical Imaging; Yale University; New Haven CT USA
4. Yale Cancer Center; New Haven CT USA