1. Department of Neurology University Hospital of Southern Denmark Esbjerg Denmark
2. Research Unit of Health Sciences University Hospital of Southern Denmark Esbjerg Denmark
3. Department of Regional Health Research University of Southern Denmark Odense Denmark
4. Department of Psychology University of Southern Denmark Odense Denmark
5. Department of Cardiology Odense University Hospital Odense Denmark
6. Department of Neurology Danish Headache Centre Rigshospitalet‐Glostrup University of Copenhagen Copenhagen Denmark