Received: 10 August 2021
Accepted: 6 February 2022
First Online: 22 February 2022
: Ethical approval was obtained for the study by Regional Committee for Medical Research Ethics and The Norwegian Data. Reference number: REK: 1.2006.14. Informed consent was obtained from all participants. When participants were under 18 years of age or were adults who had a guardian, informed consent was also acquired from the parents or guardian.
: All patients provided authorization for the use of their information for research purposes.
: The authors declare that they have no competing interests.