Benjamin Wilde, Marielle Thewissen, Jan Damoiseaux, Marc Hilhorst, Pieter van Paassen, Oliver Witzke and Jan W Cohen Tervaert*
* Corresponding author: Jan W Cohen Tervaert jw.cohentervaert@maastrichtuniversity.nl
Arthritis Research & Therapy 2012, 14:R227 doi:10.1186/ar4066