1. Medical Faculty, Department of Medical Oncology, Istanbul Medipol University, Istanbul, Turkey
2. Medical Faculty, Department of Medical Oncology, Pamukkale University Hospital, Denizli, Turkey
3. Medical Faculty, Department of Medical Oncology, Bezmi Alem Vakıf University, Istanbul, Turkey
4. Gülhane Education & Research Hospital, Department of Medical Oncology, Ankara, Turkey
5. Department of Medical Oncology, Ankara Yildirim Beyazit University Hospital, Ankara, Turkey
6. Department of Medical Oncology, Ankara University Hospital Medical Faculty, Ankara, Turkey
7. Department of Medical Oncology, Okmeydani Training and Research Hospital, Istanbul, Turkey
8. Medical Faculty, Department of Internal Medicine, Istanbul Medipol University, Istanbul, Turkey