1. Touro College of Osteopathic Medicine, New York City, New York
2. University of Maryland School of Medicine, Baltimore, Maryland
3. Zucker School of Medicine at Hofstra/Northwell, Manhasset, New York
4. Creighton University School of Medicine, Omaha, Nebraska
5. Division of Interventional Radiology, Department of Medical Imaging, University of Arizona, Tucson, Arizona