[1] Evangelismos Hospital,First Department of Critical Care Medicine and Pulmonary Services
[2] National and Kapodistrian University of Athens Medical School,Critical Care Department
[3] University Hospital of Larissa,First Department of Respiratory Medicine
[4] University of Thessaly Faculty of Medicine,Division of Pulmonary and Critical Care Medicine, Department of Medicine
[5] Thoracic Diseases General Hospital Sotiria,undefined
[6] National and Kapodistrian University of Athens Medical School,undefined
[7] Weill Cornell Medicine,undefined