1. Center of Reproductive Medicine and Surgery, Arcispedale Santa Maria Nuova (ASMN) – Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Reggio Emilia, Italy;
2. University of Modena and Reggio Emilia, Italy;
3. Department of Woman and Child Health, University of Padua, Padua, Italy