LAUSR

Department of Obstetrics and Gynecology, Spedali Civili of Brescia, Brescia, Italy; Department of Obstetrics and Gynecology, University of Brescia, Brescia, Italy; Department of Pathology, Spedali Civili of Brescia, Brescia, Italy; Academic Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino, Genoa, Italy; Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DiNOGMI), University of Genoa, Genoa, Italy Contributions: (I) Conception and design: F Ferrari; (II) Provision of study materials or patients: S Forte, F Salinaro; (IV) Collection and assembly of data: G Arrigoni, L Ardighieri, MC Coppola; (V) Data analysis and interpretation: F Salinaro, F Barra, E Sartori; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors. Correspondence to: Fabio Barra, MD. Academic Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino, Largo R. Benzi 10, 16132, Genova, Italy. Email: [email protected].