1. Department of Medical Oncology, University of Health Sciences, Dr Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey
2. Department of Medical Oncology, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
3. Department of Pathology, Gazi University School of Medicine, Ankara, Turkey
4. Department of Medical Oncology, Aksaray Training & Research Hospital, Aksaray, Turkey
5. Department of Medical Oncology, Gazi University School of Medicine, Ankara, Turkey
6. Department of Internal Medicine, Yenimahalle Training and Research Hospital, Ankara, Turkey
7. Department of Pathology, University of Health Sciences, Ankara City Hospital, Ankara, Turkey