| Nicole de Leeuw | Department of Human Genetics and Donders Centre for Cognitive Neuroscience Radboud University Medical Center Nijmegen The Netherlands. |
| Han G Brunner | Department of Human Genetics and Donders Centre for Cognitive Neuroscience Radboud University Medical Center Nijmegen The Netherlands. |
| Han G Brunner | Department of Clinical Genetics Maastricht University Medical Center+ Maastricht The Netherlands. |
| Han G Brunner | Department of Genetics and Cell Biology Maastricht University Medical Center+ Maastricht The Netherlands. |
| Han G Brunner | GROW Institute for Developmental Biology and Cancer Maastricht University Medical Centre Maastricht The Netherlands. |