1. Department of Thoracic Surgery, School of Medicine, “Attikon” University Hospital National and Kapodistrian University of Athens Athens Greece
2. 2nd Pulmonary Medicine Department, School of Medicine, “Attikon” University Hospital National and Kapodistrian University of Athens Athens Greece
3. Hematology‐Oncology Unit, 4th Department of Internal Medicine, “Attikon” University Hospital National and Kapodistrian University of Athens Athens Greece