Author Correction: Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA): updated treatment recommendations for psoriatic arthritis 2021
42 auth. L. Coates, E. Soriano, N. Corp, H. Bertheussen, K. Callis Duffin, Cristiano B. Campanholo, J. Chau, L. Eder, D. Fernández-Ávila, O. FitzGerald, A. Garg, D. Gladman, N. Goel, Philip S Helliwell, M. Husni, ... D. Jadon, Arnon Katz, Dhruvkumar Laheru, J. Latella, Ying-Ying Leung, C. Lindsay, E. Lubrano, L. Mazzuoccolo, P. Mease, D. O'Sullivan, A. Ogdie, W. Olsder, P. Palominos, L. Schick, I. Steinkoenig, M. D. de Wit, D. A. van der Windt, A. Kavanaugh, Cristiano B. Campanholo, O. FitzGerald, D. Gladman, Philip S Helliwell, Dhrukumar Laheru, Ying-Ying Leung, E. Lubrano, L. Mazzuoccolo, P. Mease