1. Instituto de Investigación Sanitaria Gregorio Marañón, 28009 Madrid, Spain
2. School of Medicine, Universidad Complutense de Madrid, 28040 Madrid, Spain
3. Cardiology Department, Hospital General Universitario Gregorio Marañón, CIBERCV, Universidad Europea, 28001 Madrid, Spain
4. Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain
5. CIBER Enfermedades Respiratorias-CIBERES (CB06/06/0058), 28029 Madrid, Spain