1. Department of Neurology, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
2. Sleep-Wake-Epilepsy-Center, Department of Neurology, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland
3. Clinic for Intensive Care Medicine, University Hospital Basel and University of Basel, Basel, Switzerland
4. Department of Neurology, University Hospital Basel and University of Basel, Basel, Switzerland
5. Department of Intensive Care Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
6. Clinical Trial Unit, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
7. Department of Neurology, Hôpital du Valais, Sion, Switzerland