1. Division of Pediatrics; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
2. Department of Pediatric Infectious Diseases and Immunology; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
3. Department of Dermatology; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
4. Millennium Institute on Immunology and Immunotherapy; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile