1. Department of Pharmacy, Hospital Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañon, 28007 Madrid, Spain
2. Department of Pharmacy, Hospital Universitario Virgen del Rocío, 41013 Sevilla, Spain
3. Department of Neonatology, Hospital Universitario Virgen del Rocío, 41013 Seville, Spain
4. Department of Neonatology, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain
5. Department of Pharmacy, Hospital Universitario La Paz, 28046 Madrid, Spain
6. Department of Pharmacy, Hospital Universitario Vall d’Hebron, 08035 Barcelona, Spain
7. Department of Pharmacy, Complejo Hospitalario Universitario Insular-Materno Infantil, 35016 Las Palmas de Gran Canarias, Spain
8. Division of Pharmacy, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain
9. Department of Pharmacy, Hospital Universitario 12 de Octubre, Research Institute 12 de Octubre i+12, 28041 Madrid, Spain
10. Department of Neonatology, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
11. Department of Pharmacy, Hospital Universitario de Jerez, 11407 Jerez de la Frontera, Spain
12. Department of Pharmacy, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain
13. Department of Infectious Diseases, Microbiology and Parasitology, Institute of Biomedicine of Seville, University Hospital Virgen del Rocío, Spanish National Research Council, University of Seville, 41013 Seville, Spain
14. Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, CSIC, University of Seville, 41013 Seville, Spain
15. Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, 28029 Madrid, Spain