1 Department of Neurology, University of Miami, Miami, FL, USA.
2 Department of Neurology, Brown University, Providence, RI, USA.
3 Department of Neurology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA.
4 Department of Radiology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA.
5 Department of Neurology, Washington University, Saint Louis, MO, USA.
6 Cooper Neurologic Institute, Cooper University, Camden, NJ, USA.
7 Department of Neurology, University of Massachusetts, Worcester, MA, USA.
8 Department of Psychiatry, University of Massachusetts, Worcester, MA, USA.
9 Department of Neurology, Medical University of South Carolina, Charleston, SC, USA.
10 Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA.
11 Department of Neurology, Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland.
12 Department of Interventional and Diagnostic Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel and University of Basel, Basel, Switzerland.
13 Department of Neurology, University of California at Los Angeles, Los Angeles, CA, USA.
14 Division of Neurology, University of British Columbia, Vancouver, BC, Canada.
15 Department of Neurology, Weill Cornell Medical Center, New York, NY, USA.
16 Department of Neurology, Montefiore Medical Center, New York, NY, USA.
17 Department of Neurology, University of Florida, Gainesville, FL, USA.
18 Department of Neurology, New York University, New York, NY, USA.
19 Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA.
20 Department of Neurology and Rehabilitation Medicine, University of Cincinnati, OH, USA.
21 Department of Neurology, University of Colorado School of Medicine, Aurora, CO, USA.
22 Department of Neurology, Yale School of Medicine, New Haven, CT, USA.
23 Department of Neurological Surgery, University of Miami, FL, USA.