1. From Department of Neurology (K.N., L.R.), Institute of Clinical Neuroscience, Department of Anaesthesia (L.Z.C., M.O., B.N.), Neurointensive Care Unit, Department of Neuroradiology (A.R.), Unit of Experimental Neuroscience (K.B.), Institute of Clinical Neuroscience, Sahlgrenska University Hospital, University of Göteborg, Sweden.