Storeng, Siri H. http://orcid.org/0000-0003-3637-3741
Vinjerui, Kristin H.
Sund, Erik R.
Krokstad, Steinar
Funding for this research was provided by:
Norges Teknisk-Naturvitenskapelige Universitet
Article History
Received: 5 October 2019
Accepted: 13 January 2020
First Online: 21 January 2020
Ethics approval and consent to participate
: All participants signed a written consent to participate in the HUNT Study and it was approved by the Regional Committee for Medical Research Ethics. The current project was approved by the Regional Committee for Medical Research Ethics of Mid-Norway (reference number 2014/1803/REK midt).
: Not applicable.
: The authors declare that they have no competing interests.