1. Cerebral Palsy Alliance Research Institute Discipline of Child and Adolescent Health The University of Sydney Sydney Australia
2. Cerebral Palsy Registry of NorwayVestfold Hospital Trust Tønsberg Norway
3. Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
4. South Australian Birth Defects Register Women’s and Children’s Hospital Women’s and Children’s Health Network Adelaide South Australia Australia
5. Department of Pediatrics Institute of Clinical Sciences Sahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden
6. Regional Rehabilitation Centre for Children and Adolescents Queen Silvia's Children's Hospital Sahlgrenska University Hospital Gothenburg Sweden
7. Telethon Kids Institute University of Western Australia Perth Australia
8. Grace Centre for Newborn Intensive Care Children’s Hospital at Westmead Sydney Australia
9. Paediatric Department Hospital Lillebaelt Kolding Kolding Denmark