1. Department of Clinical Genetics; Erasmus Medical Centre; Rotterdam The Netherlands
2. Department of Obstetrics and Gynecology; Erasmus Medical Centre; Rotterdam The Netherlands
3. Foundation Prenatal Screening Southwest region of the Netherlands; Rotterdam The Netherlands
4. Institute of Psychology; Erasmus University Rotterdam; Rotterdam The Netherlands
5. Center for Biomics; Erasmus MC; Rotterdam The Netherlands
6. Department of Obstetrics and Gynecology; Amphia Hospital; Breda The Netherlands
7. Department of Obstetrics and Gynecology; Reinier de Graaf Gasthuis; Delft The Netherlands
8. Department of Gynecology; Albert Schweitzer Hospital Dordrecht; Dordrecht The Netherlands