About the Authors

Anders Hougaard

Affiliation Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Glostrup, DK-2600, Denmark

Bettina Hagström Jensen

Affiliation Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Glostrup, DK-2600, Denmark

Faisal Mohammad Amin

Affiliation Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Glostrup, DK-2600, Denmark

Egill Rostrup

Affiliation Functional Imaging Unit and Department of Diagnostics, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Glostrup, DK-2600, Denmark

Michael B. Hoffmann

Affiliation Visual Processing Laboratory, Ophthalmic Department, Otto-von-Guericke-University, Magdeburg, 39106, Germany

Messoud Ashina

ashina@dadlnet.dk

Affiliation Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Glostrup, DK-2600, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AH ER MA. Performed the experiments: AH BHJ FMA. Analyzed the data: AH BHJ FMA MBH ER. Wrote the paper: AH BHJ FMA MBH ER MA.