Menke Smit*, Johanna Westra, Arjan Vissink, Berber Doornbos-van der Meer, Elisabeth Brouwer and Arie J van Winkelhoff
* Corresponding author: Menke Smit m.j.de.smit@umcg.nl
Arthritis Research & Therapy 2012, 14:R222 doi:10.1186/ar4061