1. Department of Neurology and Pain Treatment, Neuromuscular Center, Center for Translational Medicine, Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany
2. Faculty of Health Sciences Brandenburg, Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany
3. Department of Neurology, Neuromuscular Center, University Medical Center Göttingen, 37075 Göttingen, Germany
4. Department of Neuropathology, University Medical Center Göttingen, 37075 Göttingen, Germany
5. Department of Trauma, Orthopaedic and Plastic Surgery, University Medical Center Göttingen, 37075 Göttingen, Germany