1. Department of Obstetrics and GynaecologyUniversity Hospital Antwerp Edegem Belgium
2. Center for Medical GeneticsUniversiteit Antwerpen Antwerp Belgium
3. Department of Medical GeneticsUniversity Hospital Antwerp Edegem Belgium
4. Center for Medical GeneticsUniversité Catholique de Louvain Louvain‐la‐Neuve Belgium
5. Center for Medical GeneticsKatholieke Universiteit Leuven Leuven Belgium
6. Center for Medical GeneticsCentre Hospitalier Universitaire de Liège Liège Belgium
7. Center for Medical GeneticsVrije Universiteit Brussel Brussels Belgium
8. Center for Medical GeneticsUniversité Libre de Bruxelles Brussels Belgium
9. Center for Medical GeneticsInstitut de Pathologie et de Génétique Gosselies Charleroi Belgium
10. Center for Medical GeneticsUniversiteit Gent Ghent Belgium