1. Department of Medical Oncology, Kartal Dr. Lütfi Kirdar City Hospital, Health Science University, Istanbul 34865, Turkey
2. Department of Medical Oncology, Faculty of Medicine, Tekirdag Namik Kemal University, Tekirdağ 59030, Turkey
3. Department of Nuclear Medicine, Kartal Dr. Lütfi Kirdar City Hospital, Health Science University, Istanbul 34865, Turkey