Mild POMGnT1 Mutations Underlie a Novel Limb-Girdle Muscular Dystrophy Variant by Clement, E, Godfrey, C, Tan, J, Brockington, M, Torelli, S, Feng, L, Brown, S, Jimenez-Mallebrera, C, Sewry, C, Longman, C, Mein, R, Abbs, S, Vajsar, J, Schachter, H, Muntoni, F