Phagocyte-specific S100 proteins and high-sensitivity C reactive protein as biomarkers for a risk-adapted treatment to maintain remission in juvenile idiopathic arthritis: A comparative study - Gerss, J; Roth, J; Holzinger, D; Ruperto, N; Wittkowski, H; Frosch, M; Wulffraat, N; Wedderburn, L; Stanevicha, V; Mihaylova, D; Harjacek, M; Len, C; Toppino, C; Masi, M; Minden, K; Saurenmann, T; Uziel, Y; Vesely, R; Apaz, M T; Kuester, R-M; Elorduy, MJ R; Burgos-Vargas, R; Ioseliani, M; Magni-Manzoni, S; Unsal, E; Anton, J; Balogh, Z; Hagelberg, S; Mazur-Zielinska, H; Tauber, T; Martini, A; Foell, D; Paediatric Rheumatology International Trials Organization (PRINTO) (Ann Rheum Dis, 2012)