1. Gynaecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
2. Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Commenda, 12, Milan, Italy
3. Reproductive Sciences Laboratory, Division of Genetics and Cell Biology, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, Milan, Italy
4. Infertility Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Via Commenda, 12, Milan, Italy
5. Gynaecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico
6. Gynaecology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico and Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Commenda, 12, Milan, Italy