1. Obstetrics and Gynecology Department, Faculty of Medicine, Universidad Católica del Maule, Talca, Chile;
2. Endocrinology Department, Faculty of Medicine, Millenium Institute of Immunology and Immunotherapy, Pontificia Universidad Católica de Chile, Santiago, Chile;
3. Breast Imaging, Radiology Service, Clínica Las Condes, Santiago, Chile;
4. Endocrinology Department, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile