1. Division of Gynecology and Obstetrics, Isola Tiberina Gemelli Hospital, 00186 Rome, Italy
2. Division of Gynecology and Obstetrics, IRCSS Azienda Ospedaliera-Universitaria of Bologna, 40138 Bologna, Italy
3. Poison Control Center, Hospital Papa Giovanni XXIII, 24127 Bergamo, Italy
4. Azienda USL Toscana Centro, Gynecology and Obstetrics Department, Santa Maria Annunziata Hospital, 50012 Florence, Italy