[1] Univ Toulouse 3, Serv Endocrinol Malad Metab & Nutr, Ctr Hosp Univ Rangueil Larrey, F-31059 Toulouse 09, France
[2] INSERM, U1037, F-31059 Toulouse 09, France
[3] Univ Strasbourg, Unite Mixte Rech 7004, Ctr Natl Rech Sci, Inst Phys Biol,Fac Med, F-67000 Strasbourg, France
[4] Ctr Hosp Lyon Sud, Lab Tech Nucl & Biophys, F-69495 Pierre Benite, France
[5] CHU Bordeaux, GH Sud, Hop Haut Leveque, Serv Endocrinol Diabetol & Malad Metab, F-33604 Pessac, France