1. Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic Disorders University Medical Center Göttingen Göttingen Germany
2. Gynaecology Research Unit, Comprehensive Cancer Center Hannover Medical School Hannover Germany
3. Institute of Human Genetics University Medical Center Göttingen Göttingen Germany
4. Cologne Center for Genomics University of Cologne Cologne Germany
5. Department of Pediatric Neurology University Children's Hospital Zurich Switzerland