[1
]
Center of Fetal Medicine and Pregnancy, Department of Obstetrics, Copenhagen University
Hospital Rigshospitalet, Copenhagen, Denmark.
[2
]
Department of Clinical Medicine, Faculty of Health and Medical Sciences, University
of Copenhagen, Copenhagen, Denmark.
[3
]
Department of Clinical Biochemistry, Copenhagen University Hospital Rigshospitalet,
Glostrup, Denmark.
[4
]
Fetal Medicine Unit, Department of Obstetrics and Gynecology, Copenhagen University
Hospital Hvidovre, Hvidovre, Denmark.