1. Department of Microbiology, University Hospital Ramón y Cajal-IRYCIS, Madrid, Spain
2. Unit of Bioinformatics, University Hospital Ramón y Cajal-IRYCIS, Madrid, Spain
3. UCIBIO/REQUIMTE, Department of Biological Sciences, Microbiology Laboratory, Faculty of Pharmacy, University of Porto, Porto, Portugal
4. Centres for Biomedical Research in the Epidemiology and Public Health Network (CIBER-ESP), Madrid, Spain