1 Department of Biomedical, Experimental and Clinical Sciences - Division of Obstetrics and Gynecology, University of Florence, Italy; Instituto Valenciano de Infertilidad - IVI Madrid, Madrid, Spain. Electronic address: mauro.cozzolino@ivi.es.
2 Department of Biomedical, Experimental and Clinical Sciences - Division of Obstetrics and Gynecology, University of Florence, Italy.
3 Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Italy.