1Department of Neurology and Clinical Neurosciences, Clinical Neurosciences Center, University of Utah Hospitals and Clinics, 175 N Medical Drive East, Salt Lake City 84132, UT, USA
2Critical Care Neurosciences, University of Utah Hospitals and Clinics, Salt Lake City, UT, USA
3Neuro-Interventional Radiology, Department of Neuroradiology, University of Utah Hospitals and Clinics, Salt Lake City, UT, USA
4Neuromuscular Department, Department of Neurology and Clinical Neurosciences, University of Utah Hospitals and Clinics, Salt Lake City, UT, USA
5Department of Neuro-Ophthalmology, Moran Eye Center, University of Utah Hospitals and Clinics, Salt Lake City, UT, USA
6Department of Radiology, Division of Interventional Neuroradiology, University of Utah Hospitals and Clinics, Salt Lake City, UT, USA