Accepted for Publication: February 24, 2011.
Author Contributions:Study concept and design: Klein, Jungbluth, Clement, Munot, Mercuri, and Muntoni. Acquisition of data: Klein, Jungbluth, Clement, Lillis, Munot, Pane, Wraige, Schara, Straub, Mercuri, and Muntoni. Analysis and interpretation of data: Klein, Jungbluth, Lillis, Abbs, Mercuri, and Muntoni. Drafting of the manuscript: Klein, Jungbluth, Pane, Wraige, and Mercuri. Critical revision of the manuscript for important intellectual content: Klein, Jungbluth, Clement, Lillis, Abbs, Munot, Schara, Straub, Mercuri, and Muntoni. Obtained funding: Klein, Abbs, and Muntoni. Administrative, technical, and material support: Clement, Schara, Straub, and Mercuri. Study supervision: Jungbluth, Lillis, Abbs, and Muntoni.
Financial Disclosure: None reported.
Funding/Support: This study was supported by the National Commissioning Group support to the clinical and diagnostic activities of the Dubowitz Neuromuscular Centre, the Catholic University, and the Mondino Institute; grants from the Muscular Dystrophy Campaign Centre and the Medical Research Council Neuromuscular Centre (Dr Muntoni); grant GUP from the Telethon (Dr Mercuri); the Guy's & St Thomas' Charitable Foundation (Dr Jungbluth); research fellow grant PO0916 from the Emma Clement muscular dystrophy campaign (Dr Clement); and the GOSH Charity (Dr Muntoni).