1 Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, The Netherlands.
2 Department of Clinical Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
3 Department of Radiology, Maastricht University Medical Center, Maastricht, The Netherlands.
4 Department of Orthopaedics, Maastricht University Medical Centre, Maastricht, The Netherlands.
5 Department of Pediatrics, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands.
6 Department of Obstetrics and Gynaecology, Maastricht University Medical Center, Maastricht, The Netherlands.
7 Department of Clinical Genetics and GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center+, Maastricht, The Netherlands.
8 Paley Orthopedic and Spine Institute, West Palm Beach, Florida, USA.