Affiliation: | 1. BCNatal, Department of Maternal-Fetal Medicine, Institute Gynecology, Obstetrics and Neonatology, Hospital Clínic Barcelona, Catalonia, Spain;2. BCNatal, Department of Obstetrics and Gynecology, Hospital Sant Joan de Déu. Esplugues de Llobregat, Catalonia, Spain;3. Department of Biochemistry and Molecular Genetics, CDB, Hospital Clínic Barcelona, Catalonia, Spain |