Yoony YJ Gent, Karin Weijers, Carla FM Molthoff, Albert D Windhorst, Marc C Huisman, Desirée EC Smith, Sumith A Kularatne, Gerrit Jansen, Philip S Low, Adriaan A Lammertsma and Conny J van der Laken*
* Corresponding author: Conny J van der Laken j.vanderlaken@vumc.nl
Arthritis Research & Therapy 2013, 15:R37 doi:10.1186/ar4191