Ahlsved, Anton https://orcid.org/0009-0008-1704-7493
Lundquist, Anders https://orcid.org/0000-0003-1524-0851
Lejon, Kristina https://orcid.org/0000-0001-5025-6539
Rantapää-Dahlqvist, Solbritt https://orcid.org/0000-0001-8259-3863
Brink, Mikael https://orcid.org/0000-0001-7675-3488
Funding for this research was provided by:
Västerbotten Läns Landsting (Financial support was provided through a regional agreement between Umeå University and Region Västerbotten (ALF).)
Stiftelsen Arne och Kerstin Sandströms forskningsfond för reumatologisk forskning (FS.216186823)
Article History
Received: 16 March 2026
Accepted: 2 October 2026
First Online: 6 October 2026
Declarations
Ethics approval and consent to participate: All patients included in the cohort have given informed written consent to participate. The cohort was approved by the local ethical committee in Umeå (2013-247-31) and was in accordance with the Declaration of Helsinki.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.