Gil, Elisabeth G.
Åstrøm, Anne N.
Lie, Stein Atle
Rygg, Marite
Fischer, Johannes
Rosén, Annika
Bletsa, Athanasia
Luukko, Keijo
Shi, Xie-Qi
Halbig, Josefine
Frid, Paula
Cetrelli, Lena
Tylleskär, Karin
Rosendahl, Karen
Skeie, Marit S.
Article History
Received: 2 February 2021
Accepted: 9 July 2021
First Online: 25 August 2021
Declarations
:
: The study was approved by the Regional Committees for Medical and Health Research Ethics (2012/542/REC), Rogaland, Vestland (West). Written informed consents were obtained from the caregivers and the adolescents as appropriate. The study was registered at ClinicalTrials.gov (No: NCT03904459). All procedures were performed in accordance with relevant guidelines.
: Not applicable.
: The authors declare that they have no competing interests.