1. Cerebral Palsy Registry of Norway Vestfold Hospital Trust TønsbergNorway
2. Department of Clinical and Molecular Medicine Norwegian University of Science and Technology TrondheimNorway
3. Centre for Fertility and Health Norwegian Institute of Public Health OsloNorway
4. Norwegian Directorate of Health TrondheimNorway
5. Regional Centre for Child and Youth Mental Health and Child Welfare Department of Mental Health Norwegian University of Science and Technology TrondheimNorway
6. National Center for Epilepsy Oslo University Hospital Oslo Norway