作者单位：Department of Women’s Health, University Hospital Tuebingen, Tuebingen, Germany[1]Department of Neonatology, University Hospital Tuebingen, Tuebingen, Germany[2]Department of Obstetrics and Gynaecology, University Hospital Bonn, Bonn, Germany[3]Center of Prenatal Diagnosis and Human Genetics, Duesseldorf, Germany[4]
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