Received: 2 September 2020
Accepted: 22 November 2020
First Online: 10 December 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 that they have no competing interests to declare.