1 August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona, C/ Villarroel 170, 08036, Barcelona, Spain. catiacilloniz@yahoo.com.
2 Biomedical Research Networking Centers in Respiratory Diseases (CIBERES), the Association of Support and Information for Family Members and Patients With Pneumonia (NEUMOAI), Barcelona, Spain. catiacilloniz@yahoo.com.
3 Every Breath Counts Coalition, New York City, USA.
4 Department of Anesthesiology and Intensive Care Medicine, Fondazione Policlinico Universitario A. Gemelli, Università Cattolica del Sacro Cuore, Rome, Italy.
5 Department of Infectious Diseases, Hospital Clinic of Barcelona, Barcelona, Spain.