Secukinumab leads to shifts from stage-based towards response-based disease clusters—comparative data from very early and established psoriatic arthritis - Kampylafka, Eleni; Tascilar, Koray; Lerchen, Veronika; Linz, Christina; Sokolova, Maria; Zekovic, Ana; Kleyer, Arnd; Simon, David; Rech, Jürgen; Sticherling, Michael; Schett, Georg; Hueber, Axel J. (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2020)