| Authors: |
Krøll LS; Department of Health Sciences, Lund University, P.O. Box 157, 221 00, Lund, Sweden. lotte.skytte.kroell@regionh.dk.; Danish Headache Centre, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Nordre Ringvej 69, 2600, Glostrup, Denmark. lotte.skytte.kroell@regionh.dk., Hammarlund CS; Department of Health Sciences, Lund University, P.O. Box 157, 221 00, Lund, Sweden., Westergaard ML; Danish Headache Centre, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Nordre Ringvej 69, 2600, Glostrup, Denmark., Nielsen T; Danish Headache Centre, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Nordre Ringvej 69, 2600, Glostrup, Denmark., Sloth LB; Danish Headache Centre, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Nordre Ringvej 69, 2600, Glostrup, Denmark., Jensen RH; Danish Headache Centre, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Nordre Ringvej 69, 2600, Glostrup, Denmark., Gard G; Department of Health Sciences, Lund University, P.O. Box 157, 221 00, Lund, Sweden. |