1. Endocrinology Unit; Division of Paediatrics; Faculty of Medicine; Pontificia Universidad Catolica de Chile; Santiago; Chile
2. Department of Endocrinology; Faculty of Medicine; Pontificia Universidad Catolica de Chile; Santiago; Chile
3. Cardiovascular Disease Division; Faculty of Medicine; Pontificia Universidad Catolica de Chile; Santiago; Chile
4. Nephrology Unit; Division of Paediatrics; Faculty of Medicine; Pontificia Universidad Catolica de Chile; Santiago; Chile