Affiliation: | 1. Department of Obstetrics and Gynaecology, Radboud University Medical Center, PO Box 9101, 6500 HB Nijmegen, The Netherlands;2. Department of Biochemistry, Radboud University Medical Center, PO Box 9101, 6500 HB Nijmegen, The Netherlands;3. Department of Pathology, Radboud University Medical Center, PO Box 9101, 6500 HB Nijmegen, The Netherlands |