1. Department of Neurology Heimer Institute for Muscle Research, BG‐University Hospital Bergmannsheil, Ruhr‐University Bochum Bochum Germany
2. Department of Radiology University Medical Centre Utrecht Utrecht The Netherlands
3. Department of Neurology St. Marien‐Hospital Borken Borken Germany
4. St. Mauritius Therapieklinik Meerbusch Germany
5. Institute of Clinical Neuroscience and Medical Psychology University Hospital, University of Düsseldorf Düsseldorf Germany
6. Endokrinologikum Frankfurt a. Main, Center of Hormonal and Metabolic Diseases, Rheumatology, Osteology and Neurology Frankfurt a. M Germany
7. Department of Anaesthesiology Intensive Care Medicine and Pain Management BG‐University Hospital Bergmannsheil, Ruhr‐University Bochum Bochum Germany
8. Pain Research, Department of Surgery and Cancer Imperial College London UK
9. Neurophysiology Center of Biomedicine and Medical Technology Mannheim CBTM, Medical Faculty Mannheim, Heidelberg University Heidelberg Germany