Financial & competing interests disclosure
Markus Schürks has received an investigator-initiated research grant from the Migraine Research Foundation. He has received honoraria from L.E.K. Consulting for telephone surveys and from the American Academy of Neurology for educational material. Tobias Kurth has received investigator-initiated research funding from the French National Research Agency, the US National Institutes of Health, Merck, the Migraine Research Foundation and the Parkinson’s Disease Foundation. Furthermore, he is a consultant to i3 Drug Safety and World Health Information Science Consultants, LLC; he has received honoraria from the American Acedemy of Neurology, Genzyme, Merck and Pfizer for educational lectures and from MAP Pharmaceuticals for participating in a scientific advisory panel. None of the disclosures for the authors represent a conflict of interest with regard to this specific manuscript. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.