Correction to: Progression independent of relapse activity in relapsing multiple sclerosis: impact and relationship with secondary progression

In the original version of this article, affiliation details for author Maria Pia Amato were incorrectly linked to all affiliations but should have been Department of NEUROFARBA, University of Florence, Careggi University Hospital, Florence, Italy IRCCS Don Carlo Gnocchi Foundation, Florence, Italy And from affiliation number 26 to the last affiliation, the affiliation number order is not correct. The correct authors and affiliations should be Emilio Portaccio1 · Matteo Betti1 · Ermelinda De Meo1,2 · Ilaria Addazio1 · Luisa Pastò1 · Lorenzo Razzolini1 · Rocco Totaro3 · Daniele Spitaleri4 · Alessandra Lugaresi5,6 · Eleonora Cocco7 · Marco Onofrj8 · Franco Di Palma9 ·Francesco Patti10,11 · Davide Maimone12 · Paola Valentino13 · Valentina Torri Clerici14 · Alessandra Protti15 ·Diana Ferraro16 · Giacomo Lus17 · Giorgia Teresa Maniscalco18 · Vincenzo Brescia Morra19 · Giuseppe Salemi20 · Franco Granella21 · Ilaria Pesci22 · Roberto Bergamaschi23 · Umberto Aguglia24 · Marika Vianello25 · Marta Simone26 · Vito Lepore27 · Pietro Iaffaldano28 · Giancarlo Comi29 · Massimo Filippi30,31 · Maria Trojano28 · Maria Pia Amato1,32 on behalf of the Italian Multiple Sclerosis Register 1Department of NEUROFARBA, University of Florence, Careggi University Hospital, Florence, Italy 2NMR Research Unit, Queen Square Multiple Sclerosis Centre, UCL Queen Square Institute of Neurology, University College London, London, UK 3San Salvatore Hospital, L’Aquila, Italy 4AORN San G. Moscati, Avellino, Italy 5IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Bologna, Italy 6Dipartimento Di Scienze Biomediche E Neuromotorie, Università Di Bologna, Bologna, Italy 7University of Cagliari, Cagliari, Italy 8University G. d’Annunzio Di Chieti-Pescara, Chieti, Italy 9ASST Lariana Ospedale S. Anna, Como, Italy 10University of Catania, Catania, Italy 11UOS Sclerosi Multipla, Policlinico G Rodolico-San Marco, University of Catania, Catania, Italy 12Centro Sclerosi Multipla, Azienda Ospedaliera Cannizzaro, Catania, Italy 13Institute of Neurology, University Magna Graecia, Catanzaro, Italy 14Fondazione IRCCS Istituto Neurologico C. Besta, Milan, Italy 15Niguarda Hospital, Milan, Italy 16Department of Neurosciences, Ospedale Civile Di Baggiovara, Azienda Ospedaliero-Universitaria Di Modena, Modena, Italy 17University of Campania Luigi Vanvitelli, Naples, Italy 18A Cardarelli Hospital, Naples, Italy 19Federico II University, Naples, Italy 20Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, Palermo, Italy 21University of Parma, Parma, Italy 22Ospedale VAIO Di Fidenza AUSL PR, Fidenza (PR), Italy 23IRCCS Fondazione Mondino, Pavia, Italy 24Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy 25Ca’ Fancello Hospital, AULSS2 Treviso, Italy 26Pediatric MS Center, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari Aldo Moro, Bari, Italy 27Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy 28Department of Translational Biomedicine and Neurosciences, University of Bari Aldo Moro, DiBraiN, Bari, Italy 29Casa Di Cura del Policlinico, Vita-Salute San Raffaele University, Milan, Italy 30Vita-Salute San Raffaele University, Milan, Italy 31IRCCS San Raffaele Scientific Institute, Milan, Italy 32IRCCS Don Carlo Gnocchi Foundation, Florence, Italy.