1. Department of Health Management, Hamidiye Institute of Health Sciences, University of Health Sciences, Istanbul, Turkey
2. Department of Public Health, Hamidiye Faculty of Medicine, University of Health Sciences, Istanbul, Turkey
3. Department of Gynecologic Oncology, Zeynep Kamil Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
4. Department of Biostatistics, Hamidiye Faculty of Medicine, University of Health Sciences, Istanbul, Turkey