1 Department of Rheumatology, VieCuri Medical Centre, Venlo, the Netherlands.
2 Personalized Diagnostics and Therapeutics, Technical Medicine Centre, University of Twente, Drienerlolaan 5, 7500AE, Enschede, the Netherlands.
3 Department of Rheumatology, Meander Medical Centre, Amersfoort, the Netherlands.
4 Department of Rheumatology, VieCuri Medical Centre, Venlo, the Netherlands. t.niessink@utwente.nl.
5 Personalized Diagnostics and Therapeutics, Technical Medicine Centre, University of Twente, Drienerlolaan 5, 7500AE, Enschede, the Netherlands. t.niessink@utwente.nl.