Annet Simons - Department of Human Genetics, University Hospital, Nijmegen, The Netherlands
Irene M. Janssen - Department of Human Genetics, University Hospital, Nijmegen, The Netherlands
Ron F. Suijkerbuijk - Department of Human Genetics, University Hospital, Nijmegen, The Netherlands
René P.H. Veth - Department of Orthopedics, University Hospital, Nijmegen, The Netherlands
Maciej Pruszczynski - Department of Pathology, University Hospital, Nijmegen, The Netherlands
Christina A. Hulsbergen-van de Kaa - Department of Pathology, University Hospital, Nijmegen, The Netherlands
Stanislas du Manoir - National Center for Human Genome Research, Bethesda, Maryland
Ad Geurts van Kessel - Department of Human Genetics, University Hospital, Nijmegen, The Netherlands