1. Division of Medical Oncology, Department of Internal Medicine, Kartal Dr. Lütfi Kırdar City Hospital, İstanbul, Turkey

2. Department of Gastrointestinal and Oncologic Surgery, Harvard Medical School, Massachusetts, USA

3. Department of Gastrointestinal and Oncologic Surgery, Massachusetts General Hospital, Massachusetts, USA

4. Division of Medical Oncology, Department of Internal Medicine, Gayrettepe Florence Nightingale Hospital, İstanbul, Turkey

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

6. Division of Medical Oncology, Department of Internal Medicine, Ege University Faculty of Medicine, İzmir, Turkey

7. Division of Medical Oncology, Department of Internal Medicine, Akdeniz University Faculty of Medicine, Antalya, Turkey

8. Department of General Surgery, Çukurova University Faculty of Medicine, Adana, Turkey

9. Division of Medical Oncology, Department of Internal Medicine, Bahçelievler Memorial Hospital, İstanbul, Turkey

10. Department of Physiotherapy and Rehabilitation, İstanbul Bilgi University Faculty of Health Sciences, İstanbul, Turkey

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