Funding for this research was provided by:
Vetenskapsrådet (521-2011-2414, 521-2014-2637, 521-2017-03025)
Reumatikerförbundet (R-566961 and R-477321)
Stiftelsen Konung Gustaf V:s 80-årsfond (FAI-2014-0016, 2016-0264)
Torsten Söderbergs Stiftelse (2010–2014)
Rune och Ulla Amlövs Stiftelse för Neurologisk och Reumatologisk Forskning
Västra Götalandsregionen (ALFGBG-671631, 2017-04961)
IngaBritt och Arne Lundbergs Forskningsstiftelse
Received: 17 April 2019
Accepted: 25 June 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Ethical Review Boards of Gothenburg. All methods used in this study were carried out in accordance with relevant Swedish guidelines and regulations and following the Good Clinical Practice. The informed consent was obtained from all subjects.
: The authors declare that they have no competing interests.