1. Clinic of Obstetrics and Gynecology, University of Health Sciences Turkey, Etlik Zübeyde Hanım Training and Research Hospital, Ankara Turkey
2. Clinic of Obstetrics and Gynecology, University of Health Sciences Turkey, Zeynep Kamil Women and Children’s Diseases Training and Research Hospital, İstanbul, Turkey
3. Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Valencia, Spain
4. IVI Foundation, Health Research Institute La Fe, Valencia, Spain