1. Facultad de Medicina Universidad Nacional del Nordeste (UNNE), Corrientes, Argentina
2. Hospital Materno Provincial Dr R F Lucini, Córdoba, Argentina
3. Department of Clinical Investigations, Instituto Centenario, Buenos Aires, Argentina
4. Nutrition Department, Enrique Tornu Hospital, Buenos Aires, Argentina
5. Endocrinology Service, Dr. Milstein Hospital, Buenos Aires, Argentina
6. Laboratory of Reproduction and Metabolism, Universidad de Buenos Aires, Facultad de Medicina and CEFYBO-CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
7. Department of Endocrinology, Diabetes, Metabolism and Nutrition, British Hospital, Buenos Aires, Argentina