1 Clinic of Neurology and Neurophysiology, Medical Center, Faculty of Medicine, University of Freiburg, Breisacher Str. 64, 79106, Freiburg, Germany. nils.schroeter@uniklinik-freiburg.de.
2 Clinic of Neurology and Neurophysiology, Medical Center, Faculty of Medicine, University of Freiburg, Breisacher Str. 64, 79106, Freiburg, Germany.
3 Department of Haematology, Oncology and Stem Cell Transplantation, Faculty of Medicine, University Medical Centre Freiburg, University of Freiburg, Freiburg, Germany.