1. Departments of Endocrinology; Pontificia Universidad Catolica de Chile; Santiago Chile
2. Family Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
3. Public Health; Pontificia Universidad Catolica de Chile; Santiago Chile
4. Obstetrics and Gynecology; Faculty of Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
5. Department of Medicine; Division of Endocrinology; Memorial Sloan-Kettering Cancer Center; Weill Cornell University; New York NY USA