1. Department of Pediatric Gastroenterology and Nutrition; Division of Pediatrics. School of Medicine. Pontificia Universidad Católica de Chile; Santiago Chile
2. Department of Pediatric Gastroenterology and Nutrition, Division of Pediatrics; School of Medicine, Pontificia Universidad Católica de Chile; Santiago Chile
3. Department of Public Health; Faculty of Medicine, Pontificia Universidad Católica de Chile; Santiago Chile
4. Department of Pediatrics, UC Evidence Center; Escuela de Medicina, Pontificia Universidad Católica de Chile; Santiago Chile
5. Subdirectora Recursos de Información y Archivos Bibliotecas UC; Pontificia Universidad Católica de Chile, Campus San Joaquín Avenida Vicuña Mackenna 4860 Comuna de Macul; Santiago Chile