Bibliografisk note

Funding Information:
Funding This study was supported by unrestricted grants from Skåne University Hospital, the Swedish Rheumatism Association, the Anna-Greta Crafoord Foundation, the Kock Foundation and the Lundgren Foundation. Funding from the Faculty of Medicine, Lund University, contributed to financing EM’s research time. Funding from the Hedlund Foundation and the Österlund Foundation contributed to financing JM’s research time. Grants to researchers in public health care from the Swedish government (ALF) contributed to financing JKW’s, JM’s, KA’s and TO’s research time. The sponsors had no role in study design, data collection, data analysis, data interpretation or writing of the report.