1. World Association of Trainees in Obstetrics and Gynaecology; Paris France
2. Department of Obstetrics and Gynaecology; Hôpital Victor Dupouy; Argenteuil France
3. Department of Obstetrics and Gynaecology, Faculty of Medicine; University Tunis El Manar; Tunisia
4. Department of Obstetrics and Gynaecology; Herlev University Hospital; Herlev Denmark