1. Service of Endocrinology (M.C., N.G.-P.), Faculty of Medicine, University of Sherbrooke, Sherbrooke (Québec) Canada J1H 5N4
2. Department of Medicine, Department of Physiology and Biophysics (M.D.P., E.R., N.G.-P.), Faculty of Medicine, University of Sherbrooke, Sherbrooke (Québec) Canada J1H 5N4
3. INSERM U469 (G.G.), 34094 Montpellier Cedex, France