1. 3rdSurgery Department, Medical School of Health Sciences, ``AHEPA`` University Hospital, Thessaloniki, Greece
2. Department of Respiratory & Critical Care Medicine, Changhai Hospital, The Second Military Medical University, Shanghai, P. R. China
3. Department of Respiratory, Changzhou maternal and child health care hospital affiliated to Nanjing Medical University, Changzhou, Jiangsu Changzhou, China
4. Department of Geriatrics, Changhai Hospital, Second Military Medical University, Shanghai, China
5. Department of Radiology, Changhai Hospital, Second Military Medical University, Shanghai, China
6. Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Henan University, Henan Kaifeng, China
7. Department of Food Technology, School of Food Technology and Nutrition, Alexander Technological Educational Institute, Thessaloniki, Greece
8. Internal Medicine Department, University of Ioannina, Ioannina, Greece
9. Thoracic Surgery Department, ``Interbalkan`` European Medical Center, Thessaloniki, Greece
10. Sana Clinic Group Franken, Department of Cardiology/Pulmonology/Intensive Care/Nephrology, “Hof” Clinics, University of Erlangen, Hof, Germany
11. Onc/ology Department, Interbalkan European Medical Center, Thessaloniki, Greece
12. Department of Pulmonology, I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation
13. Faculty of Medicine, University of Novi Sad, Institute for Pulmonary Diseases of Vojvodina, Novi Sad, Serbia
14. Faculty of Medicine, University of Novi Sad, Institute for Oncology of Vojvodina, Novi Sad, Serbia
15. Pulmonary Oncology Department, ``sotiria`` Hospital of Chest Diseases, Athens, Greece
16. Department of Medical Rehabilitation, University of Medicine and Pharmacy, Craiova, Romania
17. Second Department of Surgery, General University Hospital of Alexandroupolis, Medical School Democritus University of Thrace, Alexandroupolis, Greece
18. Surgery Department, ``Genesis`` Private Hospital, Thessaloniki, Greece
19. Oncology Department (NHS), General Hospital of Kavala, Greece