An observational study of functional abilities in infants, children, and adults with type 1 SMA.

Pane M, Palermo C, Messina S, Sansone VA, Bruno C, Catteruccia M, Sframeli M, Albamonte E, Pedemonte M, D'Amico A, Brigati G, de Sanctis R, Coratti G, Lucibello S, Bertini E, Vita G, Danilo Tiziano F, Mercuri E; Italian EAP Working Group.