affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Université Paris VI Pierre et Marie Curie - Hôpital Saint-Antoine, affiliation not provided to SSRN, University of Padua, University of Brescia, University of Turin, Hospital Clínic de Barcelona, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Hospital de la Santa Creu i Sant Pau - Department of Obstetrics, Institut d’Investigació Biomèdica Sant Pau—IIB Sant Pau, University of Milan, University of Milan, University of Padua, University of Turku, Università Vita-Salute San Raffaele - IRCCS Ospedale San Raffaele, Università Vita-Salute San Raffaele - IRCCS Ospedale San Raffaele, Medical University of Graz, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Belgrade, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN