A 5-center experience with intrathecal administration of nusinersen in SMA1 in Italy letter to the editor of european journal of pediatric neurology regarding the manuscript "single-center experience with intrathecal administration of nusinersen in children with spinal muscular atrophy type 1" written by pechmann and colleagues". (July 2018) - Sansone, V.A.; Pane, M.; Messina, S.; Bruno, C.; D'Amico, A.; Albamonte, E.; Catteruccia, M.; Sframeli, M.; Pedemonte, M.; Vita, G.; Bertini, E.; Mercuri, E.; et al.