1. VINCat Nosocomial Infection Surveillance in Catalonia, Barcelona, 08028, Spain
2. Department of Infectious Diseases, Bellvitge University Hospital, L'Hospitalet de Llobregat; Institut d'Investigació Biomèdica de Bellvitge (IDBELL), Barcelona, Spain.
3. Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain.
4. Department of Public Health, Mental Health & Mother–Infant Nursing, School of Nursing, Faculty of Medicine & Health Sciences, University of Barcelona, Spain.
5. Infectious Diseases Service, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Barcelona, Spain.
6. Infectious Diseases Unit – Internal Medicine Department, Hospital de la Santa Creu i Sant Pau, Institut de Recerca del Hospital de la Santa Creu i Sant Pau, University Autónoma de Barcelona, Barcelona, Spain
7. Department of Nursing, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain.
8. Department of Internal Medicine, Hospital General de Granollers, Barcelona, Spain.
9. Infectious Diseases Unit, Hospital Universitari Mútua Terrassa, Barcelona, Spain.
10. Department of Internal Medicine, Althaia Xarxa Assistencial Universitària de Manresa, Manresa, Spain.
11. Department of Infectious Diseases, Bellvitge University Hospital, Institut Català d'Oncologia-Hospitalet, Barcelona; Institut d'Investigació Biomèdica de Bellvitge (IDBELL), Barcelona, Spain.
12. Department of Internal Medicine, H Moisès Broggi, Sant Joan Despi, Barcelona, Spain.
13. Department of Health-related Infection Control, Hospital Universitari General de Catalunya Quiron Salud, Barcelona, Spain.
14. Department Internal Medicine, Fundació Hospital Sant Joan de Déu de Martorell, Barcelona, Spain.
15. Infectious Diseases Unit, Internal Medicine Service, Hospital de Terrassa (Consorci Sanitari de Terrassa), Terrassa, Spain.
16. Universitat Internacional de Catalunya, Barcelona, Spain.