1. Department of Internal Medicine, Division of Medical Oncology, Medical Faculty, Akdeniz University, Antalya, Turkey
2. Department of Internal Medicine, Division of Medical Oncology, Cerrahpasa Medical Faculty, Istanbul University, 34098 Istanbul, Turkey
3. Cerrahpasa Medical Faculty, Istanbul University, 34098 Istanbul, Turkey
4. Department of Pathology, Medical Faculty, Akdeniz University, Antalya, Turkey