Funding for this research was provided by:
Dansk Kiropraktor Forening
Received: 19 December 2019
Accepted: 9 June 2020
First Online: 4 August 2020
Ethics approval and consent to participate
: Approval was obtained from the Regional Health Research Ethics Committee before start (ID: S20080047) and the study was registered with the Danish Data Protection Agency (J.nr. 2008-41-2240). Written informed consent was obtained from the parents. Prior to clinical examinations, both child and parent gave verbal acceptance. All participation was voluntary with the option to withdraw at any time.
: Written informed consent was obtained from the participants.
: The authors declare that they have no competing interests.