Department of Neurology
Akershus University Hospital and
Department of General Practice
Institute of Health and Society
University of Oslo
He is the first author and had the original idea for the manuscript. He has contributed academically and scientifically, with revision of the manuscript, literature searches and data interpretation.
Espen Saxhaug Kristoffersen (born 1980), PhD, specialty registrar in neurology, and associate professor.
The author has completed the ICMJE form and reports no conflicts of interest.