Pendleton, A; Arden, N; Dougados, M; Doherty, M; Bannwarth, B; Bijlsma, J W J; Cluzeau, F; Cooper, C; Dieppe, P A; Günther, K-P; Hauselmann, H J; Herrero-Beaumont, G; Kaklamanis, P M; Leeb, B; Lequesne, M; Lohmander, S; Mazieres, B; Mola, E-M; Pavelka, K; Serni, U