Correction to: First clinical symptom as a prognostic factor in systemic sclerosis: results of a retrospective nationwide cohort study (Clinical Rheumatology, (2018), 37, 4, (999-1009), 10.1007/s10067-017-3936-7) - Rubio-Rivas M.; Corbella X.; Pestaña-Fernández M.; Tolosa-Vilella C.; Castillo A.G.d.; Colunga-Argüelles D.; Trapiella-Martínez L.; Iniesta-Arandia N.; Castillo-Palma M.J.; Sáez-Comet L.; Egurbide-Arberas M.V.; Ortego-Centeno N.; et al. (CLINICAL RHEUMATOLOGY, 2018)