1 Academic Unit of Obstetrics and Gynecology, Maternal-Child Department, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
2 Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health (DINOGMI Department), University of Genoa, Genoa, Italy.
3 Department of Reproductive Endocrinology, University Hospital Zurich, Zurich, Switzerland.
4 Physiopathology of Human Reproduction Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.