SPP1 genotype is a determinant of disease severity in Duchenne muscular dystrophy

E Pegoraro, EP Hoffman, L Piva, BF Gavassini, S Cagnin, M Ermani, L Bello, G Soraru, B Pacchioni, MD Bonifati, G Lanfranchi, C Angelini, A Kesari, I Lee, H Gordish-Dressman, JM Devaney, CM McDonald