Case identification of non-traumatic brain injury in youth using linked population data.

"Declarations Ethical approval and consent to ParticipateEthical approval for the study was obtained on 15 June 2020 from the University of Auckland Human Participants Ethics Committee (Reference: 244181). All methods were carried out in accordance with relevant guidelines and regulations including all Statistics New Zealand privacy and confidentiality requirements. Informed consent is deemed not necessary for the use of deidentified population data in this research under national legislation. Specifically, the New Zealand Data and Statistics Act (2022) Part 5 and the Privacy Act (2020) Principle 11 which allows for information to be used without individual consent for scientific and research purposes if it is de-identified and cannot be used to identify individuals. A waiver of informed consent was granted by the University of Auckland Human Participants Ethics Committee (Reference: 244181). Consent for publicationNot Applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding Funding from A Better Start (Ministry of Business Innovation and Employment, New Zealand) supported this work. Reference UOAX1511."