1. Pediatric Infectious Diseases and Immunodeficiencies Unit, Hospital Infantil. Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Barcelona, Catalonia, Spain
2. Pharmacy Department, Hospital Infantil, Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Barcelona, Catalonia, Spain
3. Pharmacy Department, Hospital del Mar, Barcelona, Catalonia, Spain
4. Department of Clinical Biochemistry, Central Clinical Laboratories, Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Barcelona, Catalonia, Spain
5. Microbiology Department, Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Universitat Autònoma de Barcelona, Barcelona, Catalonia, Spain
6. Pediatric Intensive Care Unit, Hospital Infantil, Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Barcelona, Catalonia, Spain
7. Pediatric Oncology and Hematology Department, Hospital Infantil. Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Barcelona, Catalonia, Spain
8. Pediatric Infectious Diseases and Immunodeficiencies Unit, Hospital Infantil. Vall d’Hebron Barcelona Hospital Campus, Institut de Recerca Vall d’Hebron, Universitat Autònoma de Barcelona, Barcelona, Catalonia, Spain