[1] John Walton Muscular Dystrophy Res Ctr, London, England
[2] Anal Grp Inc, Boston, MA USA
[3] Collaborat Trajectory Anal Project cTAP, Cambridge, MA USA
[4] Pfizer Inc, New York, NY USA
[5] Dubowitz Neuromuscular Ctr, London, England
[6] Univ Newcastle, Newcastle Upon Tyne, Tyne & Wear, England
[7] UCL, Great Ormond St Inst Child Hlth, Dubowitz Neuromuscular Ctr, London, England
[8] Great Ormond St Hosp Sick Children, London, England
[9] Dubowitz Neuromuscular Ctr, London, England
[10] UCL, London, England