Funding for this research was provided by:
Västra Götalandsregionen (N/A)
Stroke Centre West (N/A)
Rune och Ulla Amlövs Stiftelse för Neurologisk och Reumatologisk Forskning (N/A)
John och Brit Wennerströms Stiftelse för Neurologisk Forskning (N/A)
Insamlingsstiftelsen för neurologisk forskning (N/A)
Peter Eriksson's Foundation (N/A)
Stiftelsen Erik and Lily Philipsons Minnesfond (N/A)
Received: 17 February 2019
Accepted: 17 April 2019
First Online: 2 May 2019
Ethics approval and consent to participate
: The study was approved by the regional ethical review board in Gothenburg, Sweden (284–17 and T1146–17). Since only observational data were collected, written informed consent was not required according to national law.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.