1. Department of Obstetrics and Gynecology University Hospital Leuven Leuven Belgium
2. Department of Development and Regeneration, Faculty of Medicine Group Biomedical Sciences, KU Leuven Leuven Belgium
3. Nepean Clinical School University of Sydney Sydney Australia
4. Department of Obstetrics and Gynecology Kaplan Medical Centre, Rehovot, Affiliated to the Hebrew University and Hadassah School of Medicine in Jerusalem Jerusalem Israel
5. Department of Obstetrics and Gynecology Liverpool Clinical School, Western Sydney University Sydney Australia