1. Interventional Radiology, Department of Surgery, West Virginia University/Charleston Area Medical Center, Charleston, WV, USA
2. Department of Diagnostic Imaging, the Warren Alpert Medical School of Brown University, Providence, RI, USA
3. Department of Radiology, Northwestern Feinberg School of Medicine, Chicago, IL, USA
4. Department of Diagnostic and Interventional Radiology, Johann Wolfgang Goethe University Frankfurt, Frankfurt, Germany
5. Weill Cornell Weill Medical College, Cornell University, New York, NY, USA
6. Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Bonn, Germany
7. Division of Interventional Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, USA