KVisser, WKatchamart, ELoza, J AMartinez-Lopez, CSalliot, JTrudeau, CBombardier, LCarmona, Dvan der Heijde, J W JBijlsma, D TBoumpas, HCanhao, C JEdwards, VHamuryudan, T KKvien, B FLeeb, E MMartín-Mola, HMielants, UMüller-Ladner, GMurphy, MØstergaard, I APereira, CRamos-Remus, GValentini, JZochling, MDougados
Dvan der Heijde, GBurmester, JMelo-Gomes, CCodreanu, E MartinMola, RPedersen, DRobertson, DChang, AKoenig, BFreundlich, for the Etanercept Study Investigators
BCombe, CCodreanu, UFiocco, MGaubitz, P PGeusens, T KKvien, KPavelka, P NSambrook, J SSmolen, RKhandker, ASingh, JWajdula, SFatenejad, for the Etanercept European Investigators Network*
S Mvan der Kooij, Sle Cessie, Y P MGoekoop-Ruiterman, J Kde Vries-Bouwstra, Dvan Zeben, P J S MKerstens, J M WHazes, Dvan Schaardenburg, F CBreedveld, B A CDijkmans, C FAllaart
F H MPrince, MTwilt, S C MSimon, M A Jvan Rossum, WArmbrust, E P A HHoppenreijs, SKamphuis, Mvan Santen-Hoeufft, YKoopman-Keemink, N MWulffraat, Rten Cate, L W Avan Suijlekom-Smit