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Authors
Paulsen, Henriette
Ljungblad, Ulf Wike
Riiser, Kirsti
Evensen, Kari Anne I.
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Funding
Funding for this research was provided by:
Vestfold Hospital Trust, Norway
Oslo Metropolitan University, Norway
Joint Research Committee of St. Olavs Hospital HF and the Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology
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Article History
Received: 27 March 2023
Accepted: 30 July 2023
First Online: 8 August 2023
Declarations
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: The authors declare that they have no competing interests.
: The study was approved by the Norwegian Regional Committee for Medical and Health Research Ethics (2021/233924) and conducted according to the Declaration of Helsinki. Written informed consent was collected from all participants for the vitamin B12 study []. The original ethical approval for the main study did not include the analysis for the present study. Thus, an additional approval from the Norwegian Regional Committee for Medical and Health Research Ethics was obtained and required that a passive consent form was sent to all participants giving the parents the opportunity to withdraw. No participants withdrew their consent. Participants were referred for further investigation and follow-up treatment if the results of the examination or the follow-up assessment indicated a need for specialised health care.
: Not applicable.
