1. Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
2. Department of Reproductive Biology, Yazd Institute for Reproductive Sciences, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
3. Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, University of Rome La Sapienza, Rome, Italy