1. Division of Pharmacognosy, Department of Medicinal Chemistry, Uppsala University, Biomedical Centre, Box 574, SE-75123 Uppsala, Sweden
2. Rheumatology Unit, Department of Medicine—Solna, Karolinska Institutet, Karolinska University Hospital, Rheumatology Clinic D2:01, 171 76 Solna, Stockholm, Sweden
3. Royal Institute of Technology-KTH, Applied Physics, Experimental Biomolecular Physics, Scilifelab, Tomtebodavägen 23, 171 65 Solna, Stockholm, Sweden
4. Euro-Diagnostica AB, 212 24 Malmö, Sweden