D Laukens, H Peeters, B V Cruyssen, T Boonefaes, D Elewaut, F De Keyser, H Mielants, C Cuvelier, E M Veys, K Knecht, P Van Hummelen, E Remaut, L Steidler, M De Vos, P Rottiers
Ann Rheum Dis. 2006 Oct; 65(10): 1293–1300. Published online 2006 Feb 13. doi: 10.1136/ard.2005.047738