1. Division of Pediatrics, School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
2. Servicio de Pediatría; Hospital Sótero del Río; Santiago Chile
3. Servicio de Cirugía; Hospital Sótero del Río; Santiago Chile
4. Dirección de Postgrado y Postítulo, Facultad de Ciencias Médicas; Universidad de Santiago de Chile; Santiago Chile
5. Pediatrics and Health Policy, Management & Evaluation; University of Toronto; Toronto Canada
6. Division of Pediatric Medicine and Child Health Evaluative Sciences; The Hospital for Sick Children; Toronto Canada
7. Sistema de Bibliotecas UC; Pontificia Universidad Católica de Chile; Santiago Chile
8. Biostatistics Department, Princess Margaret Cancer Center; University Health Network; Toronto Canada
9. Department of Pediatric Gastroenterology and Nutrition, Division of Pediatrics, School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile