1. Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden
2. Department of Rheumatology, Skåne University Hospital, Malmö, Sweden
3. Department of Rheumatology, Skåne University Hospital, Lund, Sweden
4. Rheumatology, Department of Clinical Sciences, Lund, Lund University, Lund, Sweden
5. Department of Rheumatology and Inflammation Research, Sahlgrenska Academy at Gothenburg University, Gothenburg, Sweden