Affiliation: | 1. KU Leuven, University of Leuven and head of Fetal Maternal Medicine, University Hospitals Leuven, Leuven, Belgium;2. Obstetrics and Gynecology, Cumming School of Medicine, University of Alberta and Alberta Health Services Calgary Zone, Edmonton, Canada;3. Maternal-Fetal Medicine Division, Department of Obstetrics and Gynecology, Mayo Clinic College of Medicine, Rochester, MN, USA |