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 Clinical and Experimental Biomedical Sciences, University of Florence, Florence, Italy
4. Department of Clinical Medicine and Surgery, University of Naples "Federico II", Naples, Italy
5. Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
6. IVIRMA, IVI Foundation, Valencia, Spain
7. Universidad Rey Juan Carlos, Madrid, Spain