1. Eugonia Assisted Reproduction Unit; Athens Greece
2. Department of Women's and Children's Health, St George Hospital, School of Women's and Children's Health; University of New South Wales; Kogarah NSW Australia
3. 2 Department of Radiology; Attikon University Hospital, National and Kapodistrian University of Athens; Athens Greece
4. Unit for Human Reproduction, 1 Department of Obstetrics & Gynaecology, Papageorgiou General Hospital; Medical School, Aristotle University of Thessaloniki; Thessaloniki Greece