1. Department of Neurology and Neurological Intensive Care Medicine; Fachkrankenhaus Hubertusburg; Wermsdorf Germany
2. Department of Neurology; University of Cologne; Cologne Germany
3. Department of Nephrology; General Hospital Fulda; Fulda Germany
4. Department of Neurology; General Hospital Martha-Maria; Halle-Dölau Germany
5. Department of Anesthesia and Intensive Care; General Hospital Martha-Maria; Halle-Dölau Germany
6. Apheresis Research Institute; Cologne Germany
7. Department of Neurology; General Hospital Fulda; Fulda Germany
8. Department of Neurology; General Hospital Bogenhausen; Munich Germany
9. Department of Neurology; University of Freiburg; Freiburg Germany