Funding for this research was provided by:
The Healthcare sub-committee, Region Västra Götaland (296891, 366501, 589911)
The Local Research and Development Council Fyrbodal (320441, 337591, 354131, 515671, 547701)
Swedish Rheumatism Association (571141)
Renée Enanders fund
Article History
Received: 14 March 2019
Accepted: 24 June 2019
First Online: 13 July 2019
Ethics approval and consent to participate
: All participants received oral and written information about the study, and provided written informed consent. The Regional Ethical Review Board in Gothenburg approved the study, reference numbers: 979–12, T674–13, T497–14, T791–15.
: Not applicable.
: The authors declare that they have no competing interests.