1 Institute of Clinical Research, University of Montpellier, 641 Avenue du doyen Giraud, 34093 Montpellier cedex 5, France. Electronic address: louis.monnier@inserm.fr.
2 University of Rennes, University hospital of Rennes, Department of Endocrinology-Diabetes-Nutrition, 16 Bd de Bulgarie, 35200 Rennes, France. Electronic address: fabrice.bonnet@chu-rennes.fr.