Knutsen, Rigmor Harang
Nielsen, Morten Birkeland
Fostervold, Knut Inge
Johannessen, Håkon A.
Funding for this research was provided by:
National Institute Of Occupational Health
Article History
Received: 5 July 2025
Accepted: 22 October 2025
First Online: 13 November 2025
Declarations
:
: The authors declare that they have no conflict of interest.
: The study was conducted in line with the principles of the Declaration of Helsinki, and assessed by the Regional Committees for Medical and Health Research Ethics (REC South East), who concluded that the study was not considered medical research. The study used human participants, who gave informed consent to participate in advance. Data handling and storage was approved by the Norwegian Centre for Data Research (566128). Trial Registration: Clinical Trials—NCT03855163.