Effect of Ataluren on Age at Loss of Ambulation in Nonsense Mutation Duchenne Muscular Dystrophy: Observational Data from the STRIDE Registry - Werner, Christian; Delage, Abdallah; Buccella, Filippo; Desguerre, Isabelle; Muntoni, Francesco; Nascimento, Andrés; Tulinius, Már; Kristensen, Allan; Santos, Claudio; Trifillis, Panayiota; Zhang, Olivia; Mercuri, Eugenio (Neuropediatrics, 2019)