Rognli, Erling W. http://orcid.org/0000-0001-7687-7675
Waraan, Luxsiya
Czajkowski, Nikolai O.
Solbakken, Ole André
Aalberg, Marianne
Article History
First Online: 18 January 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments. The study protocol, participant information letters and consent forms were reviewed and approved by the Regional Committee for Medical and Health Research Ethics for Eastern Norway (REK Øst).
: Informed consent was obtained from all individual participants included in the study, or their legal guardians, in which case assent to be included in the study was obtained from the underage participant.