1. Cancer Institute, Department of Basic Oncology, Hacettepe University, 06100 Ankara, Turkey
2. Faculty of Pharmacy, Department of Pharmaceutical Technology, Hacettepe University, 06230 Ankara, Turkey
3. Medical Faculty, Department of Pathology, Hacettepe University, 06100 Ankara, Turkey
4. Faculty of Arts and Sciences, Department of Chemistry, Yıldız Technical University, 34349 Istanbul, Turkey