1. Centre of Medical Genetics Antwerp University Hospital University of Antwerp Antwerp Belgium
2. Division of Human Genetics National Health Laboratory Service & The School of Pathology University of the Witwatersrand Johannesburg‐Braamfontein South Africa
3. Department of Human Genetics Radboud University Medical Center Nijmegen The Netherlands
4. Department of Gynaecology and Obstetrics Radboud University Medical Center Nijmegen The Netherlands
5. Department of Human Genetics Catholic University of Leuven Leuven Belgium
6. Department of Gynaecology and Obstetrics Catholic University of Leuven Leuven Belgium
7. Department of Paediatrics Rahima Moosa Mother and Child Hospital & The University of the Witwatersrand Johannesburg‐Braamfontein South Africa