Norbye, Anja Davis
Ringberg, Unni
Kristoffersen, Agnete Egilsdatter
Funding for this research was provided by:
UiT The Arctic University of Norway
Article History
Received: 13 December 2024
Accepted: 31 October 2025
First Online: 28 November 2025
Declarations
:
: The study was conducted in accordance with the Helsinki Declaration. The Tromsø7 study has previously been approved by the Regional Committee of Research Ethics (REC) (ID 2014/940), and all study participants gave written informed consent before inclusion. It received privacy approval by the Norwegian Agency for Shared Services in Education and Research (Sikt) (ID 204028), and was submitted to REC (ID 681036). REC concluded that approval was not required.
: Not applicable.
: The authors declare no competing interests.