1. Clinical Microbiology and Infectious Diseases Department Hospital General Universitario Gregorio Marañón Madrid Spain
2. Instituto de Investigación Sanitaria Gregorio Marañón Madrid Spain
3. Department of Cardiology Hospital General Universitario Gregorio Marañón Madrid Spain
4. Medicine Department School of Medicine Universidad Complutense de Madrid Madrid Spain
5. Anesthesiology Department Hospital General Universitario Gregorio Marañón Madrid Spain
6. Cardiac Surgery Department Hospital General Universitario Gregorio Marañón Madrid Spain
7. Pathological Anatomy Department Hospital General Universitario Gregorio Marañón Madrid Spain
8. CIBER de Enfermedades Respiratorias (CIBERES CB06/06/0058) Madrid Spain