Straume-Næsheim, Truls Martin https://orcid.org/0000-0002-7467-7757
Randsborg, Per-Henrik
Mikaelsen, Jan Rune
Årøen, Asbjørn
Funding for this research was provided by:
Helse Sør-Øst RHF (276939)
Sophies Minde Ortopedi
Aase Bye og Trygve J. B. Hoffs Fond til Vitenskapelig, Medisinsk Forskning
The Norwegian Association of Sports Medicine
Akershus University Hospital
Article History
Received: 10 September 2021
Accepted: 4 March 2022
First Online: 28 March 2022
Declarations
:
: None of the authors report any conflict of interest.
: The study protocol was approved by the Regional Committee of Medical and Health Research Ethics of South East Norway before initiation of the study (REC South East, reference 2009/2148).
: All patients and their legal guardians (if younger than 18 years) provided oral and written consent before inclusion. The study was registered at ClincialTrials.org (NCT02263807).