About the Authors

Anna Södergren

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Writing – original draft, Writing – review & editing

anna.sodergren@umu.se

Affiliations Department of Public Health and Clinical Medicine/Rheumatology, University of Umeå, Umeå, Sweden, Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, Umeå, Sweden

Kjell Karp

Roles Conceptualization, Methodology, Resources, Writing – review & editing

Affiliation Department of Surgical and Perioperative Sciences, University of Umeå, Umeå, Sweden

Christine Bengtsson

Roles Conceptualization, Data curation, Investigation, Resources, Validation, Writing – review & editing

Affiliations Department of Public Health and Clinical Medicine/Rheumatology, University of Umeå, Umeå, Sweden, Department of Rheumatology, Kristianstad Hospital, Kristianstad, Sweden

Bozena Möller

Roles Conceptualization, Data curation, Investigation, Validation, Writing – review & editing

Affiliation Department of Rheumatology, Sunderby Hospital, Luleå, Sweden

Solbritt Rantapää-Dahlqvist

Roles Conceptualization, Formal analysis, Funding acquisition, Resources, Validation, Writing – review & editing

Affiliation Department of Public Health and Clinical Medicine/Rheumatology, University of Umeå, Umeå, Sweden

Solveig Wållberg-Jonsson

† Deceased.

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Writing – review & editing

Affiliation Department of Public Health and Clinical Medicine/Rheumatology, University of Umeå, Umeå, Sweden

Competing Interests

The authors have declared that no competing interests exist.