1. Infectious Diseases Service, Hospital Ramón y Cajal, IRYCIS, Madrid, Spain
2. Department of Biomedical Sciences and Medicine, Universidade do Algarve, Faro, Portugal
3. Clinical Unit of Infectious Diseases, Microbiology and Preventive Medicine, Infectious Diseases Research Group, Institute of Biomedicine of Seville (IBIS), University of Seville/CSIC/University Hospital Virgen del Rocío, Seville, Spain
4. Infectious Diseases Unit, Hospital Central de Asturias, Oviedo, Spain
5. Infectious Diseases Unit/Department of Internal Medicine, Hospital La Paz, Madrid, Spain
6. Infectious Diseases Service, Hospital Bellvitge, L’Hospitalet, Barcelona, Spain
7. Clinical Microbiology Service, Hospital Universitario Miguel Servet, Zaragoza, Spain
8. Department of Clinical Microbiology, Hospital Gregorio Marañon, Madrid, Spain
9. Internal Medicine Department, Hospital 12 de Octubre, Madrid, Spain
10. Infectious Diseases Unit, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
11. Infectious Diseases Unit, Hospital Puerta de Hierro-Majadahonda, Madrid, Spain
12. Microbiology Service, Hospital de La Princesa, Madrid, Spain
13. Clinical Microbiology Service, Hospital Clínico San Carlos, Madrid, Spain
14. Clinical Microbiology Department, Hospital 12 de Octubre, Madrid, Spain