Thomassen, Henrik K.
Våge, Villy
Article History
Received: 6 October 2025
Accepted: 29 November 2025
First Online: 23 December 2025
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Regional Committee for Medical and Health Research Ethics (Reference: REK 129, 2009–2174). Informed consent was obtained from all individual participants included in the study.
: The authors declare no competing interests.