1Resident Neurosurgery; Dept. of Neurosurgery, Rush University Medical Center; Chicago, IL.
2Associate professor, Department of diagnostic Radiology & Nuclear Medicine, Rush University Medical Center, Chicago, IL.
3Professor, Department of Radiology, University of Washington School of Medicine, Seattle, WA.
4Research Fellow, Department of Radiology, University of Washington School of Medicine, Seattle, WA.
5Fellow Neuroradiology, Department of Radiology, University of Washington School of Medicine, Seattle, WA.
6Assistant Professor, Neuroradiology, Department of diagnostic Radiology & Nuclear medicine, Rush University Medical Center, Chicago, IL.