1. Department of Thoracic Surgery; “Attikon” University Hospital; National and Kapodistrian University of Athens; Athens Greece
2. Department of Anesthesiology and Pain Management; “Attikon” University Hospital; National and Kapodistrian University of Athens; Athens Greece
3. Hematology Oncology Unit; Fourth Department of Internal Medicine; “Attikon” University Hospital; National and Kapodistrian University of Athens; Athens Greece