1 Department of Neurology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA.
2 Department of Radiology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA.
3 Department of Radiation Oncology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA.
4 Department of Stroke Neurology, National Hospital Organization, Osaka National Hospital, Osaka, Japan.
5 Department of Neurology, International Clinical Research Center, St. Anne's University Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic.
6 Department of Neurology, Alexandria University, Alexandria, Egypt.
7 2nd Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland.
8 Division of Neurology, Dept. Medicine, University of British Columbia, Vancouver, BC, Canada.
9 Department of Stroke Medicine, Charing Cross Hospital, Imperial College Healthcare NHS Trust, London, UK.
10 Department of Neurology, Rhode Island Hospital, Brown University, Providence, RI, USA.
11 Department of Neurology, Cooper University, Camden, NJ, USA.
12 Department of Neurology, Hospital de Santa Maria, North Lisbon University Hospital Center (CHULN), Lisbon, Portugal.
13 Neurology Department, Leuven University Hospital, Leuven, Belgium.
14 Department of Neurology, University of Tennessee Health Science Center, Memphis, TN, USA.
15 Department of Neurology, University of Colorado School of Medicine, Aurora, CO, USA.
16 Department of Neurology St George's University Hospital, London, UK.
17 Department of Neurosciences, Lausanne University Hospital, Lausanne, Switzerland.
18 Department of Neurology, Egas Moniz Hospital, West Lisbon Hospital Center (CHLO), Lisbon, Portugal.
19 Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.