Aydin, D., Mehmet Sendur, Kefeli, U., Unal, O. U., Tastekin, D., Akyol, M., Tanrikulu, E., Ciltas, A., Ustaalioglu, B. B., Dede, D. S., Esbag, O., Inal, A., Bilir, C., Bilici, A., Harputlu, H., Berk, V., Sevinc, A., Ozdemir, N. Y., Yildirim, E., Sonkaya, A., Ustaoglu, M. A., Gumus, M., Aydin, D., Department of Medical Oncology, Dr. Lutfi Kirdar Kartal Education and Research Hospital, Semsi Denizer Street, Istanbul, 34890, Turkey, Sendur, M.A., Department of Medical Oncology, Numune Education and Research Hospital, Ankara, Turkey, Kefeli, U., Department of Medical Oncology, School of Medicine, Kocaeli University, Kocaeli, Turkey, Unal, O.U., Department of Medical Oncology, Faculty of Medicine, Dokuz EylulUniversity, Izmir, Turkey, Tastekin, D., Department of Medical Oncology, Faculty of Medicine, Selcuk University Meram, Konya, Turkey, Akyol, M., Department of Medical Oncology, Faculty of Medicine, Katip Celebi University, Izmir, Turkey, Tanrikulu, E., Department of Medical Oncology, Faculty of Medicine, Marmara University, Istanbul, Turkey, Ciltas, A., Department of Medical Oncology, Faculty of Medicine, Gazi University, Ankara, Turkey, Ustaalioglu, B.B., Department of Medical Oncology, Haydar- Pasa Education and Research Hospital, Istanbul, Turkey, Dede, D.S., Department of Medical Oncology, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey, Esbag, O., Ankara Oncology Education and Research Hospital, Department of Medical Oncology, Ankara, Turkey, Inal, A., Department of Medical Oncology, Faculty of Medicine, Dicle University, Diyarbakir, Turkey, Bilir, C., Department of Medical Oncology, Faculty of Medicine, Karaelmas University, Zonguldak, Turkey, Bilici, A., Department of Medical Oncology, Faculty of Medicine, Medipol University, Istanbul, Turkey, Harputlu, H., Department of Medical Oncology, Faculty of Medicine, Inonu University, Malatya, Turkey, Berk, V., Department of Medical Oncology, Faculty of Medicine, Erciyes University, Kayseri, Turkey, Sevinc, A., Department of Medical Oncology, Faculty of Medicine Gaziantep University, Gaziantep, Turkey, Ozdemir, N.Y., Department of Medical Oncology, Numune Education and Research Hospital, Ankara, Turkey, Yildirim, E., Department of Medical Oncology, Dr. Lutfi Kirdar Kartal Education and Research Hospital, Semsi Denizer Street, Istanbul, 34890, Turkey, Sonkaya, A., Department of Medical Oncology, School of Medicine, Kocaeli University, Kocaeli, Turkey, Ustaoglu, M.A., Department of Medical Oncology, Dr. Lutfi Kirdar Kartal Education and Research Hospital, Semsi Denizer Street, Istanbul, 34890, Turkey, and Gumus, M., Department of Medical Oncology, Faculty of Medicine, Bezmialem University, Istanbul, Turkey