1 Department of Radiology, Section of Vascular and Interventional Radiology, University of Chicago Medical Center, University of Chicago, Chicago, Illinois, 60637.
2 Department of Radiology, Columbia University Irving Medical Center, New York, New York.
3 Section of Cardiology, Department of Medicine, University of Chicago Medical Center, University of Chicago, Chicago, Illinois, 60637.
4 Department of Radiology, Section of Vascular and Interventional Radiology, University of Chicago Medical Center, University of Chicago, Chicago, Illinois, 60637. Electronic address: osman1423@gmail.com.