1. Department of Pediatric Infectious Diseases and Immunology School of Medicine Pontificia Universidad Católica de Chile Santiago Chile
2. Institute of Science and Innovation in Medicine Facultad de Medicina Clínica Alemana Universidad del Desarrollo Santiago Chile
3. Department of Neonatology School of Medicine Pontificia Universidad Católica de Chile Santiago Chile
4. Department of Obstetrics School of Medicine Pontificia Universidad Católica de Chile Santiago Chile
5. Department of Pediatric Pulmonology and Cardiology School of Medicine Pontificia Universidad Católica de Chile Santiago Chile
6. Millennium Institute on Immunology and Immunotherapy School of Medicine Pontificia Universidad Católica de Chile Santiago Chile