1. Touro College of Osteopathic Medicine, New York City, New York
2. Division of Vascular and Interventional Radiology, Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, Maryland
3. Division of Interventional Radiology, Department of Radiology, Northwestern University, Chicago, Illinois
4. Division of Vascular and Interventional Radiology, University of Chicago Medicine, Chicago, Illinois