1. Department of Pediatrics, Residency and Medical Sciences Doctorate Program Faculty of Medicine Universidad de Chile Santiago Chile
2. Department of Pediatrics Faculty of Medicine Hospital Dr. Luis Calvo Mackenna Universidad de Chile Santiago Chile
3. Department of Pediatrics Faculty of Medicine Hospital San Juan de Dios Universidad de Chile Santiago Chile
4. Committee of Infectious Diseases National Child Programme of Antineoplastic Drugs (PINDA) Santiago Chile
5. Department of Pediatrics Faculty of Medicine Hospital Roberto del Río Universidad de Chile Santiago Chile
6. Department of Pediatrics Hospital Exequiel González Cortés Faculty of Medicine Universidad de Chile Santiago Chile
7. Department of Pediatrics Hospital Dr. Sótero del Río Santiago Chile
8. Department of Pediatrics Faculty of Medicine Hospital San Borja Arriarán Universidad de Chile Santiago Chile