Funding for this research was provided by:
NEURO Sweden
Vetenskapsrådet
Research ALF
Linköping University
Article History
Received: 8 September 2020
Accepted: 6 January 2021
First Online: 1 February 2021
Ethics approval and consent to participate
: The study was conducted in accordance with the Helsinki Declaration and Good Clinical Practice. The Ethical Review Board Regional Ethics Committee in Linköping approved the study (Dnr M136-06 and Dnr 2012/94 − 32). All participants received verbal and written information about the study, and after that, written informed consent was obtained from all the participants in this study.
: Not applicable.
: The authors report no conflicts of interest.