1. Department of General Surgery, İstanbul University İstanbul Faculty of Medicine, İstanbul, Turkey

2. Department of Radiation Oncology, İstanbul University İstanbul Faculty of Medicine, İstanbul, Turkey

3. Cancer Surgeon General Office, İstanbul, Turkey

4. Department of General Surgery, Bezmialem University Faculty of Medicine, İstanbul, Turkey

5. Department of General Surgery, Gazi University Faculty of Medicine, İstanbul, Turkey

6. Clinic of General Surgery, Ankara Oncology Training and Research Hospital, Ankara, Turkey

7. Department of Urology, Köln University Faculty of Medicine, Köln, Germany

8. Turkey Public Hospitals Institution, Ankara, Turkey

9. Clinic of Medical Oncology, İstanbul Bayındır Hospital, İstanbul, Turkey

10. Florida Plastic Surgery Institute, Florida, USA

11. Clinic of Medical Oncology, Sakarya Training and Research Hospital, Sakarya, Turkey

12. Department of Radiation Oncology, Bezmialem University Faculty of Medicine, İstanbul, Turkey

13. Clinic of Medical Oncology, Memorial Hospital, İstanbul, Turkey

14. Department of Medical Oncology, Bezmialem University Faculty of Medicine, İstanbul, Turkey

15. Clinic of Thoracic Surgery, Kartal Dr. Lütfü Kırdar Training and Research Hospital, İstanbul, Turkey

16. Specialty Scanners Ltd, London, UK

17. Department of General Surgery, National Health System-Konsultan, London, UK

18. Bayer Healthcare, New York, USA

19. Department of General Surgery, Florida International University, Florida, USA

20. Department of General Surgery, Pittsburgh University Faculty of Medicine, Pittsburgh, USA

21. National Cancer Institute President

22. Turkey Health Institute President