A Validated Prognostic Score for Time to Loss of Ambulation in Patients With Duchenne Muscular Dystrophy.

McDonald CM, Signorovitch J, Goemans NM, Mercuri E, Gordish-Dressman H, Vandenborne K, Sajeev G, Ward SJ, Fillbrunn M, Frean M, Servais L, Niks EH, Straub V, De Groot IJM, Muntoni F; iMDEX, for the PRO-DMD-01 Study, ImagingDMD, CINRG DNHS, and Universitaire Ziekenhuizen Leuven Group.