Accepted for Publication: August 11, 2011.
Published Online: March 5, 2012. doi:10.1001/archneurol.2011.1526
Author Contributions: All authors had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Méneret, Wiame, Marelli, Van Schaftingen, and Sedel. Analysis and interpretation of data: Méneret, Wiame, Marelli, Lenglet, Van Schaftingen, and Sedel. Drafting of the manuscript: Méneret and Sedel. Critical revision of the manuscript for important intellectual content: Méneret, Wiame, Marelli, Lenglet, Van Schaftingen, and Sedel. Obtained funding: Wiame and Van Schaftingen. Study supervision: Wiame, Van Schaftingen, and Sedel.
Financial Disclosure: None reported.
Funding/Support: This study was supported by grants from the Fonds National de la Recherche Scientifique (Drs Wiame and Van Schaftingen).
Previous Presentation: This study was presented in part at the Society for the Study of Inborn Errors of Metabolism annual symposium; September 1, 2011; Geneva, Switzerland.