Correction

Correction for: Boffa G, Massacesi L, Inglese M, Mariottini A, Capobianco M, Lucia M, Amato MP, Cottone S, Gualandi F, De Gobbi M, Greco R, Scimè R, Frau J, Zimatore GB, Bertolotto A, Comi G, Uccelli A, Signori A, Angelucci E, Innocenti C, Ciceri F, Repice AM, Sormani MP, Saccardi R, Mancardi G; Italian BMT-MS study group. Long-term Clinical Outcomes of Hematopoietic Stem Cell Transplantation in Multiple Sclerosis.  Neurology 2021,96(8):e1215-e1226. DOI: 10.1212/WNL.0000000000011461.