1 Faculty of Medicine and Dentistry, Sapienza University of Rome, Rome, Italy. Electronic address: pinoingeneva@bluewin.ch.
2 Faculty of Medicine and Surgery, Catholic University of the Holy Heart, Rome, Italy.
3 Società Italiana Studi di Medicina della Riproduzione, Reproductive Medicine Unit, Bologna, Italy; Center for Perinatal and Reproductive Medicine University of Perugia, Perugia, Italy; Department of Obstetrics, Gynecology and Perinatology, I.M. Sechenov First Moscow State Medical University, Moscow, Russia; Wayne State University School of Medicine, Detroit, MI.
4 Center for Perinatal and Reproductive Medicine University of Perugia, Perugia, Italy; Department of Obstetrics, Gynecology and Perinatology, I.M. Sechenov First Moscow State Medical University, Moscow, Russia; Wayne State University School of Medicine, Detroit, MI.