1. Pediatrics Department, La Paz University Hospital, Madrid, Spain
2. Pediatrics and Infectious Disease Unit, La Paz University Hospital, Madrid, Spain
3. Fundación IdiPaz, Madrid, Spain
4. Translational Research Network of Pediatric Infectious Diseases (RITIP), Madrid, Spain
5. Center for Biomedical Research Network on Rare Diseases (CIBERER U767, Carlos III Health Institute), Madrid, Spain
6. Dermatology Department, La Paz University Hospital, Madrid, Spain
7. CIBERINFEC, Carlos III Health Institute, Madrid, Spain
8. Microbiology Department, La Paz University Hospital, Madrid, Spain
9. Pediatric Intensive Care Unit, La Paz University Hospital, Madrid, Spain.