1. Department of Medical Oncology, Ankara University Faculty of Medicine, Ankara
2. Department of Medical Pathology, Ankara University Faculty of Medicine, Ankara
3. Department of Medical Oncology, Selcuk University Meram Faculty of Medicine, Konya
4. Department of Medical Oncology, Yildirim Beyazit University Faculty of Medicine, Atatürk Research and Educational Hospital, Ankara, Turkey