1. Department of Internal Medicine; Franciscus Gasthuis & Vlietland; Rotterdam The Netherlands
2. Department of Rheumotology; Franciscus Gasthuis & Vlietland; Rotterdam The Netherlands
3. Department of Rheumatology; Ziekenhuis Gelderse Vallei; Ede The Netherlands
4. Department of Clinical Chemistry; Franciscus Gasthuis & Vlietland; Rotterdam The Netherlands
5. Department of Cardiology; Franciscus Gasthuis & Vlietland; Rotterdam The Netherlands
6. Department of Internal Medicine and Dermatology; Hospital Virgen de la Victoria; University of Malaga and Instituto de Investigación Biomedica (IBIMA); Malaga Spain