Affiliation: | 1. Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA;2. Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA Division of Headache and Neuro-Ophthalmology, University of Utah School of Medicine, Salt Lake City, UT, USA;3. Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA Division of Diagnostic and Clinical Neurology, University of Utah School of Medicine, Salt Lake City, UT, USA;4. Division of Headache and Neuro-Ophthalmology, University of Utah School of Medicine, Salt Lake City, UT, USA Department of Anesthesiology, University of Utah School of Medicine, Salt Lake City, UT, USA;5. Division of Neuroradiology Imaging, University of Utah School of Medicine, Salt Lake City, UT, USA Department of Radiology, University of Utah School of Medicine, Salt Lake City, UT, USA |