1. Department of Medical Oncology, Hacettepe University Cancer Institute, Ankara, Turkey
2. Department of Medical Oncology, Ege University Faculty of Medicine, Izmir, Turkey
3. Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara, Turkey
4. Department of Medical Oncology, Erciyes University Faculty of Medicine, Kayseri, Turkey
5. Department of Medical Oncology, Bozyaka Education and Research Hospital, Izmir, Turkey
6. Department of Medical Oncology, Acibadem University Hospital, Istanbul, Turkey
7. Department of Medical Oncology, Namik Kemal University, Tekirdag, Turkey
8. Department of Medical Oncology, Anadolu Medical Center, Kocaeli, Turkey
9. Department of Medical Oncology, Koc University Hospital, Istanbul, Turkey
10. Department of Medical Oncology, Cukurova University Faculty of Medicine, Adana, Turkey
11. Department of Medical Oncology, Marmara University School of Medicine, Istanbul, Turkey
12. Department of Medical Oncology, Istinye University, Medical Park Goztepe Hospital, Istanbul, Turkey
13. Department of Oncology, Kartal Lutfi Kirdar Teaching and Research Hospital, Istanbul, Turkey
14. Department of Medical Oncology, Prof Dr. Cemil Tascioglu City Hospital, Istanbul, Turkey
15. Department of Medical Oncology, Sakarya University Faculty of Medicine, Sakarya, Turkey
16. Department of Medical Oncology, Gulhane School of Medicine, Ankara, Turkey
17. Department of Medical Oncology, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
18. Department of Medical Oncology, Ankara City Hospital, Yildirim Beyazit University, Ankara, Turkey
19. Department of Medical Oncology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
20. Department of Medical Oncology, Dokuz Eylül University Faculty of Medicine, Izmir, Turkey
21. Department of Medical Oncology, Gayrettepe Florence Nightingale Hospital, Istanbul, Turkey
22. Department of Medical Oncology, Izmir University of Economics Faculty of Medicine, Izmir, Turkey
23. Department of Medical Oncology, Istanbul University Institute of Oncology, Istanbul, Turkey
24. Department of Medical Oncology, Memorial Ankara Hospital, University of Uskudar, Ankara, Turkey.