1. Trakya University Faculty of Medicine, Department of Internal Medicine, Division of Oncology, Edirne, TURKEY
2. Gazi University Faculty of Medicine, Department of Internal Medicine, Division of Medical Oncology, Ankara, TURKEY
3. Hacettepe University Faculty of Medicine, Department of Internal Medicine, Division of Medical Oncology, Ankara, TURKEY
4. Dr. Abdurrahman Yurtarslan Ankara Oncology Training and Research Hospital, Department of Internal Medicine,
5. Division of Medical Oncology, Ankara, TURKEY
6. Universiy of Health Sciences Ankara Numune Training and Research Hospital, Clinic of Medical Oncology, Ankara, TURKEY
7. Necmettin Erbakan University Meram Faculty of Medicine, Department of Internal Medicine, Division of Medical Oncology, Konya, TURKEY
8. Gaziantep University Faculty of Medicine, Department of Internal Medicine, Division of Medical Oncology, Gaziantep, TURKEY
9. Dicle University Faculty of Medicine, Department of Internal Medicine, Division of Medical Oncology, Diyarbakır, TURKEY
10. Marmara University Pendik Training and Research Hospital, Department of Internal Medicine, Division of Medical Oncology, İstanbul, TURKEY
11. Kartal Dr. Lütfi Kirdar Training and Research Hospital, Department of Medical Oncology, İstanbul, TURKEY
12. Bezmialem Vakıf University Faculty of Medicine, Department of Medical Oncology, İstanbul, TURKEY
13. İnönü University Turgut Ozal Medical Center, Department of Internal Medicine, Division of Medical Oncology, Malatya, TURKEY
14. Ali Osman Sönmez Oncology Hospital, Department of Medical Oncology, Bursa, TURKEY
15. Istanbul University Istanbul Medical Faculty, Department of Medical Oncology, İstanbul, TURKEY
16. Karadeniz Technical University Faculty of Medicine, Department of Internal Medicine, Trabzon, TURKEY
17. Dokuz Eylül University Faculty of Medicine, Department of Medical Oncology, İzmir, TURKEY
18. Izmir Katip Çelebi University Atatürk Training and Research Hospital, Department of Medical Oncology, İzmir, TURKEY
19. Pfizer Pharmaceuticals, Medical Oncology Department, İstanbul, TURKEY
20. Erciyes University Faculty of Medicine, Department of Internal Medicine, Kayseri, TURKEY