1. Maternal-Fetal Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
2. Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
3. Department of Obstetrics and Prenatal Medicine, Asklepios Clinics Barmbek, Heidberg-Nord and Wandsbek, Hamburg, Germany
4. IVIRMA, IVI Foundation, Valencia, Spain; Universidad Rey Juan Carlos, Móstoles, Madrid, Spain
5. Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT, US
6. Gynecologic Practice, Wiesbaden, Neu-Isenburg, Germany