1. Department of Anesthesiology and Critical Care Medicine, Pulmonary Engineering Group, University Hospital Carl Gustav Carus, Technische Universität Dresden, Germany
2. Department of Critical Care Medicine, Hospital Israelita Albert Einstein, Sao Paulo, Brazil
3. Department of Intensive Care, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
4. Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Policlinico San Martino, Genoa, Italy