1. Copenhagen Neuromuscular Center, Department of NeurologyRigshospitalet, University of Copenhagen Copenhagen Denmark
2. Department of NeurologyAarhus University Hospital Aarhus Denmark
3. Department of Neurology UnitAUSL‐IRCCS di Reggio Emilia Reggio Emilia Italy
4. Department of Clinical NeurophysiologyRigshospitalet, University of Copenhagen Copenhagen Denmark