1. Infertility Unit, ASST Lariana, Cantù (Como), Italy
2. Human Reproduction Unit of the Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
3. Department of Obstetrics, Gynecology and Human Reproduction, Hospital Foch, Suresnes, France
4. First Unit of Obstetrics and Gynecology, Department of Interdisciplinary Medicine, University of Bari, Bari, Italy
5. Infertility Unit, Department of Obstetrics and Gynecology, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy