1. Department of Obstetrics and Gynecology University of Health Sciences Derince Training and Research Hospital Derince Kocaeli Turkey
2. Department of Obstetrics and Gynecology Medikal Park Hospital İzmit Kocaeli Turkey
3. Kocaeli Provincial Health Directorate, quality coordinator and productivity İzmit Kocaeli Turkey
4. Department of Pediatric Surgery University of Health Sciences Derince Training and Research Hospital Derince Kocaeli Turkey