1 Department of Neurology, BG-University Hospital Bergmannsheil gGmbH, Ruhr-University Bochum, Bochum, Germany.
2 Heimer Institute for Muscle Research, BG-University Hospital Bergmannsheil gGmbH, Bochum, Germany.
3 Department of Anaesthesiology, Intensive Care and Pain Management, BG-University Hospital Bergmannsheil gGmbH, Ruhr-University Bochum, Bochum, Germany.