Received: 11 February 2020
Accepted: 6 May 2020
First Online: 13 May 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Regional Ethical Review Board in Gothenburg, Sweden (registration numbers: 265–13, T023–17). Upon registration in Project ACL patients sign a written consent for their data to be used for further analysis.
: Not applicable.
: The authors declare have no competing interests to declare.