Affiliation: | 1. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology (NTNU), Trondheim, Norway;2. The Regional Centre for Child and Adolescent Mental Health, NTNU, Trondheim, Norway;3. Department of Pediatrics, St Olavs University Hospital, Trondheim, Norway;4. Oslo University Hospital, Oslo, Norway;5. The Cerebral Palsy Register of Norway, Vestfold Hospital Trust, T?nsberg, Norway |