1 Critical Care Center, CIBER Enfermedades Respiratorias, Sabadell Hospital, Corporació Sanitaria Universitaria Parc Tauli, Autonomous University of Barcelona, Barcelona, Spain aartigas@tauli.cat.
2 European Respiratory Society, Lausanne, Switzerland European Respiratory Society, Lausanne, Switzerland.
3 Hopital Cantonal Universitaire de Genève, Geneva, Switzerland.
4 Medical Residency Program, Department of Pediatrics, Atrium Medical Center, Heerlen, and Department of Educational, Development and Research, Faculty of Health, Medicine and Life Sciences, University of Maastricht, Maastricht, The Netherlands.
5 Respiratory and Critical Care Medicine, Kloster Grafschaft, Schmallenberg, Germany.
6 Servei de Pneumologia, Hospital Clinic, Villarroel, Spain.
7 Chefarzt Klinik für Intensivmedizin und Langzeitbeatmung, Asklepios Fachkliniken München-Gauting, Gauting, Germany.
8 Hedenstierna Laboratory, Uppsala University, Uppsala, Sweden.
9 Respiratory and Critical Care, Sant' Orsola Malpighi Hospital, Bologna, Italy.
10 Università del Piemonte Orientale "A. Avogadro", Dipartimento di Medicina Traslazionale, Novara, and SC Anestesia e Rianimazione, Ospedale Sant'Andrea (ASL VC), Vercelli, Italy.
11 2nd Dept of Critical Care, University of Athens Medical School, Attikon Hospital, Athens, Greece.
12 Dipartimento Medicina Clinica, University La Sapienza, Rome, Italy.
13 Dept of Surgical Sciences and Integrated Diagnostics, IRCCS AOU San Martino - IST, University of Genoa, Genoa, Italy.
14 Dept of Respiratory Medicine Maastricht University Medical Center, Maastricht, The Netherlands.
15 Dept of Pulmonary and Intensive Care Medicine, Klinikum Region Hannover, Krankenhaus Oststadt-Heidehaus, Hannover, Germany.
16 1st Dept of Pulmonary and Critical Care Medicine, University of Athens Medical School, Evangelismos Hospital, Athens, Greece.
17 Academic Unit of Sleep and Breathing, Royal Brompton and Harefield NHS Foundation Trust, London, UK.