[1] Univ Newcastle, John Walton Muscular Dystrophy Res Ctr, Newcastle Upon Tyne, Tyne & Wear, England
[2] Ist Ricovero & Cura Carattere Sci Mondino Fdn, Pavia, Italy
[3] Univ Pavia, Brain & Behav Sci Dept, Pavia, Italy
[4] Univ Basel, Dept Biomed Engn, Basel Muscle Magnet Resonance Imaging MRI, Basel, Switzerland
[5] Univ Hosp Basel, Dept Radiol, Div Radiol Phys, Basel, Switzerland
[6] Univ Hosp Basel, Dept Res & Analyt Serv, Basel, Switzerland
[7] Univ Brescia, Dept Clin & Expt Sci, Brescia, Italy
[8] Brescia Clin Ctr Neuromuscular Dis, NeMO Neuromuscular OminCtr, Brescia, Italy