1. Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
2. Norwegian Quality and Surveillance Registry for Cerebral Palsy (NorCP) Vestfold Hospital Trust Tønsberg Norway
3. Department of Neonatal Intensive Care, Clinic of Paediatric and Adolescent Medicine Oslo University Hospital Oslo Norway
4. Department of Health Registries, Division Digitalization and Health Registries Norwegian Directorate of Health Oslo Norway
5. Regional Centre for Child and Youth Health and Child Welfare Norwegian University of Science and Technology Trondheim Norway
6. BioCore Bioinformatics Core Facility, Department of Clinical and Molecular Medicine Norwegian University of Science and Technology Trondheim Norway
7. Department of Medical Microbiology St. Olavs Hospital, Trondheim University Hospital Trondheim Norway
8. Department of Health Registry Research and Development Norwegian Institute of Public Health Bergen Norway