1. Section of Rheumatology, Central Hospital of Kristianstad, Kristianstad, Sweden
2. Rheumatology, Department of Clinical Sciences, Lund, Lund University, Lund, Sweden
3. Department of Renal Medicine, Vasculitis and Lupus Clinic, Addenbrooke’s Hospital, Cambridge, UK
4. Department of Rheumatology, Skåne University Hospital, Malmö and Lund, Sweden
5. Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden