1. Infectious Diseases Department, Centro Hospitalar São João, Porto, Portugal
2. Faculty of Medicine of University of Porto, Porto, Portugal
3. Oncology Department, Centro Hospitalar Trás-os-Montes e Alto Douro, Vila Real, Portugal
4. CIBER de Enfermedades Respiratorias, CIBERES, Barcelona, Spain
5. Clinical Research/Innovation in Pneumonia & Sepsis (CRIPS), Vall d’Hebron Institut of Research (VHIR), Barcelona, Spain