1. Department of Neurology; University Medical Center Groningen (UMCG); University of Groningen; Hanzeplein 1 9700 RB Groningen Netherlands
2. Department of Clinical Neurophysiology; University Medical Center Groningen (UMCG); University of Groningen; Hanzeplein 1 9700 RB Groningen Netherlands
3. Department of Critical Care; University Medical Center Groningen (UMCG); University of Groningen; Hanzeplein 1 9700 RB Groningen Netherlands