[1] Univ Padua, Dept Womens & Childrens Hlth, Preimplantat Genet Diag, I-35128 Padua, Italy
[2] AOU Federico II, Maternal Child Dept, Fertil Unit, I-80131 Naples, Italy
[3] Univ Naples Federico II, Dept Clin Med & Surg, I-80138 Naples, Italy
[4] Univ Hosp Padova, Clin Genet & Epidemiol Unit, Via Giustiniani 3, I-35128 Padua, Italy