Funding for this research was provided by:
Danish Neurological Society with an unrestricted scholarship grant from The Lundbeck Foundation
Received: 28 August 2019
Accepted: 7 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The study was approved by the Central Denmark Research Ethics, case number: 1–10–72-326-15. All subjects included in the study gave oral and written informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.