1. Department of Intensive Care Medicine, Inselspital; University Hospital of Bern; Bern Switzerland
2. Department of Clinical Cardiology, Inselspital; University Hospital of Bern; Bern Switzerland
3. Department of Cardiology and Center for Innovative Clinical Trials; University of Göttingen; Göttingen Germany
4. Center for Stroke Research Berlin; Charite Universitätsmedizin Berlin; Berlin Germany
5. Department of Neurosurgery and Dept. of Neurology, Inselspital; University Hospital of Bern; Bern Switzerland