[1] Univ Barcelona, Inst Recerca St Joan Deu, Endocrinol Dept, Barcelona, Spain
[2] Inst Salud Carlos III, Ctr Invest Biomed Red Diabet Enfermedades, Madrid, Spain
[3] Univ Barcelona, Biomed Inst, Biochem & Mol Biomed Dept, Barcelona, Spain
[4] Inst Salud Carlos III, Ctr Invest Biomed Red Fisiopatol Obesidad & Nutr, Madrid, Spain
[5] Univ Girona, Girona Inst Biomed Res IDIBGI, Fac Med, Pediat Endocrinol Res Grp, Girona, Spain
[6] Dr Josep Trueta Hosp, Girona, Spain
[7] Univ Leuven, Leuven Res & Dev, Leuven, Belgium