1. Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University, Madrid, Spain
2. Research Institute “Hospital 12 Octubre (imas12)”, Complutense University, Madrid, Spain
3. Department of Obstetrics and Gynecology, Hospital Universitario 12 de Octubre, Madrid, Spain
4. Red de Salud Materno Infantil y del Desarrollo, Madrid, Spain