Kerkhof, H J M; Meulenbelt, I; Akune, T; Arden, N K; Aromaa, A; Bierma-Zeinstra, S M A; Carr, A; Cooper, C; Dai, J; Doherty, M; Doherty, S A; Felson, D; Gonzalez, A; Gordon, A; Harilainen, A; Hart, D J; Hauksson, V B; Heliovaara, M; Hofman, A; Ikegawa, S; Ingvarsson, T; Jiang, Q; Jonsson, H; Jonsdottir, I; Kawaguchi, H; Kloppenburg, M; Kujala, U M; Lane, N E; Leino-Arjas, P; Lohmander, L S; Luyten, F P; Malizos, K N; Nakajima, M; Nevitt, M C; Pols, H A P; Rivadeneira, F; Shi, D; Slagboom, E; Spector, T D; Stefansson, K; Sudo, A; Tamm, A; Tamm, A E; Tsezou, A; Uchida, A; Uitterlinden, A G; Wilkinson, J M; Yoshimura, N; Valdes, A M; van Meurs, J B J.