Funding for this research was provided by:
Norges Forskningsråd (189374)
Erik Allums legat (09/13a)
Text and Data Mining valid from 2019-12-01
Received: 7 June 2019
Accepted: 23 October 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: The research was conducted in accordance with the World Medical Association Declaration of Helsinki. Recruitment was based on written consent following initial contact with the participants and/or their legal guardian from their local Child rehabilitation clinic. The study was approved by The Regional Ethics Committee and the Data Protection Officer at Oslo University Hospital, and registered with ExternalRef removed, number NCT01963897.
: Not applicable.
: The authors declare that they have no competing interests.