1. Obstetrics and Gynecology unit; Lariboisière Hospital - APHP; Paris 7 Diderot University; Paris France
2. Obstetrics and Gynecology unit; Maternité Universitaire de Nancy; Université Nancy I Henri Poincaré; Nancy France
3. Department of Body & Interventional Radiology; Lariboisière Hospital - APHP; Université Diderot Paris 7; Paris France
4. Anesthesiology unit; Lariboisière Hospital - APHP; Paris 7 Diderot University; Paris France