<affiliation wicri:level="1"><nlm:aff id="I1">Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Women’s Hospital/ University of Pittsburgh Medical Center, 300 Halket Street, Pittsburgh, Pennsylvania 15213, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Women’s Hospital/ University of Pittsburgh Medical Center, 300 Halket Street, Pittsburgh, Pennsylvania 15213</wicri:regionArea>
<wicri:noRegion>Pennsylvania 15213</wicri:noRegion>
</affiliation>