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K. Hnia, D. Zouiten, S. Cantel, D. Chazalette, G. Hugon et al., 667-677 FOOTNOTES This work is supported in part by the " Association Française contre les Myopathies " (AFM) Sébastien Legardinier and Baptiste Legrand are recipient of grants from the " Conseil Régional de Bretagne, The authors wish to thank C. Rocher (UMR CNRS 6026), MR Allo and S. Pastezeur (UMR CNRS 6061) for technical assistance and D. Mollé (INRA STLO) for mass spectrometry facilities. M.S.N. Carpenter post-edited the English style, 2007.