1. Department of Diagnostic and Interventional Radiology, San Paolo Hospital Medical School, University of Milan, Via A. Di Rudinì 8, 20142 Milan, Italy
2. Unit of Obstetrics and Gynecology, Department of Biomedical and Clinical Sciences, ASST Fatebenefratelli Sacco, Hospital “L. Sacco”, University of Milan, 20157 Milan, Italy
3. Department of Radiology, Cardarelli Hospital, 80123 Naples, Italy
4. Unit of Obstetrics and Gynecology, Department of Health Sciences, San Paolo Hospital Medical School, University of Milan, Via A. di Rudinì 8, 20142 Milan, Italy