1. Department of Clinical Sciences, Section of Rheumatology; Lund University; Lund Sweden
2. Department of Rheumatology; Skåne University Hospital; Lund Sweden
3. Spenshult Research and Development Center; Halmstad Sweden
4. Primary Health Care Unit, Department of Public Health and Community Medicine, Institute of Medicine, The Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
5. School of Business Engineering and Science; Halmstad University; Halmstad Sweden