1. From the Center of Molecular Medicine (CIMMBA) (A.B., N.P., C.F., C.T., A.M., E.C., C.P.) and Departments of Physiology (A.B., N.P., C.F., C.T., C.P.) and Pharmacology (A.M., E.C.), University of Florence, Italy; INSERM U-637 (O.C.), CHU Arnaud de Villeneuve, Montpellier, France; Inserm, U974, Institut de Myologie (L.C.), and Université Pierre et Marie Curie-Paris 6, UMR-S974, CNRS, UMR7215, Institut de Myologie, IFR14 (L.C.), Paris, France; Department of Anatomy and Physiology (L.T.), University...