Anti–Carbamylated Protein Antibodies and Higher Baseline Disease Activity in Rheumatoid Arthritis—A Replication Study in Three Cohorts: Comment on the Article by Truchetet et al. Issue 12 (27th October 2018) - Derksen, V. F. A. M.; Trouw, L. A.; Huizinga, T. W. J.; van der Helm‐van Mil, A. H. M.; Knevel, R.; Westerlind, H.; Saevarsdottir, S.; Ajeganova, S.; van der Woude, D.