1 Department of Infectious Diseases, Hospital Clinic-IDIBAPS, University of Barcelona, Barcelona, Spain.
2 Clinical Direction of Infectious Diseases and Microbiology, Hospital Universitari Arnau de Vilanova-Hospital Universitari Santa Maria, IRBLleida, Universitat de Lleida, Lleida, Spain.
3 Cardiovascular Surgery Department, Hospital Clínic, Barcelona, Spain.