1. Department of Gynecology and Obstetrics Instituto Nacional de Perinatología “Isidro Espinosa de los Reyes” Mexico City Mexico
2. Coordination of Endocrinology, Instituto Nacional de Perinatología “Isidro Espinosa de los Reyes” Mexico City Mexico
3. Community Interventions Research Branch, Instituto Nacional de Perinatología “Isidro Espinosa de los Reyes” Mexico City Mexico
4. Coordination of Gynecological and Perinatal Endocrinology, Instituto Nacional de Perinatología “Isidro Espinosa de los Reyes” Mexico City Mexico
5. Clinical Research Branch, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes Mexico City Mexico
6. Laboratory of Immunogenomics and Metabolic Diseases, Instituto Nacional de Medicina Genomica Mexico City Mexico
7. Comisión Interinstitucional para la Formación de Recursos Humanos para la Salud Mexico City Mexico
8. Universidad Autonoma de San Luis Potosi, Faculty of Medicine San Luis Potosí Mexico
9. Gynecology and Obstetrics Deparment Hospital General de Mexico “Dr. Eduardo Liceaga” Mexico City Mexico
10. Maternal Fetal Medicine Unit, Clinica Chicamocha SA Bucaramanga Colombia