1. Department of Neurology; Danish Headache Center; Rigshospitalet Glostrup; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
2. Department of Clinical Genetics; Odense University Hospital; Odense Denmark
3. Department of Neurology; Copenhagen Neuromuscular Center; Rigshospitalet Blegdamsvej; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark