Correction for: Rocca MA, Valsasina P, Meani A, Gobbi C, Zecca C, Rovira A, Sastre-Garriga J, Kearney H, Ciccarelli O, Matthews L, Palace J, Gallo A, Bisecco A, Lukas C, Bellenberg B, Barkhof F, Vrenken H, Preziosa P, Filippi M; MAGNIMS Study Group. Association of Gray Matter Atrophy Patterns With...