1. Department of Histology and Embryology, Akdeniz University School of Medicine, Antalya, Turkey
2. Department of Histology and Embryology, Gaziosmanpasa University School of Medicine, Tokat, Turkey
3. GINTEAM Unit of Minimally Invasive Gynaecology, Turin, Italy
4. Boston IVF, Waltham, MA, USA
5. The Sperm Physiology Laboratory, Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA