1. Clinical Microbiology & Infectious Disease Unit, Hospital Universitario San Cecilio, Instituto de Investigación Biosanitaria Ibs, Granada, Spain
2. Infectious Diseases Unit, Hospital Universitario Virgen de la Victoria, Malaga, Spain
3. Infectious Diseases Unit, Hospital 12 de Octubre, Madrid, Spain
4. Clinical Microbiology Dept, Complexo Hospitalario Santiago de Compostela, Spain
5. Infectious Diseases Unit, Hospital de Navarra, Pamplona, Spain
6. Infectious Diseases Unit, Hospital de la Princesa, Madrid, Spain