1. Institut National de la Santé et de la Recherche Médicale (P.-M.B., I.K.V., K.L., A.M., M.-A.M., V.B., G.T., D.L., C.M.), Unité Mixte de Recherche 1048, Obesity Research Laboratory, Institute of Metabolic and Cardiovascular Diseases, 31432 Toulouse Cedex 4, France
2. University of Toulouse (P.-M.B., I.K.V., K.L., A.M., M.-A.M., V.B., G.T., D.L., C.M.), Paul Sabatier University, 31062 Toulouse Cedex 9, France
3. Department of Clinical Biochemistry (D.L.), Toulouse University Hospitals, 31059 Toulouse Cedex 9, France