1 Division of Neurosurgery, St. Michael's Hospital, Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St. Michael's Hospital, Department of Surgery, University of Toronto, 30 Bond Street, Toronto, ON, M5B 1W8, Canada. [email protected].
2 Department of Neurology, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany. [email protected].
3 Department of Diagnostic and Interventional Radiology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany.
4 Institute of Neurophysiology, Medical Faculty, University of Cologne, Cologne, Germany.
5 Department of Neurosurgery, Research Unit for Experimental Neurotraumatology, Medical University Graz, Graz, Austria.