1. Pediatric Infectious Diseases Unit ICS-IAS, Department of Pediatrics, Hospital Universitari de Girona Dr. Josep Trueta, Universitat de Girona, 17007 Girona, Spain
2. Department of Pharmacy, Hospital Universitari Vall d’Hebron, Vall d’Hebron Research Institute, Universidad Autónoma de Barcelona, 08035 Barcelona, Spain
3. VINCat Program Surveillance of Healthcare Related Infections in Catalonia, 08907 Barcelona, Spain
4. Antimicrobial Stewardship Program (PROA-SJD), Pediatric Infectious Diseases Unit, Department of Pediatrics, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
5. Department of Microbiology, Laboratori Clínic de la Metropolitana Nord, Hospital Germans Trias i Pujol, 08916 Badalona, Spain
6. Department of Paediatrics, Hospital Universitari General de Catalunya, 08915 Sant Cugat del Vallés, Spain
7. Pediatric Infectious Diseases Unit, Department of Pediatrics, Hospital Universitari Parc Taulí, Universidad Autónoma de Barcelona, 08208 Barcelona, Spain
8. Pediatric Infectious Diseases and Immunodeficiencies Unit, Hospital Infantil Vall d’Hebron, Vall d’Hebron Research Institute, 08035 Barcelona, Spain