1. Department of Neurology; University Hospital Großhadern; Ludwig-Maximilians-University Munich; Munich Germany
2. Graduate School of Systemic Neurosciences; Ludwig-Maximilians-University Munich; Planegg-Martinsried Germany
3. Research Training Group 2175; Ludwig-Maximilians-University Munich; Planegg-Martinsried Germany
4. Department of Anesthesiology; Intensive Care and Pain Therapy; Klinikum Traunstein; Traunstein Germany
5. Department of Psychiatry and Psychotherapy; Philipps-University Marburg; Marburg Germany