Grasaas, Erik http://orcid.org/0000-0002-5249-8387
Helseth, Sølvi
Fegran, Liv
Stinson, Jennifer
Småstuen, Milada
Lalloo, Chitra
Haraldstad, Kristin
Article History
Received: 23 January 2020
Accepted: 7 July 2022
First Online: 27 July 2022
Declarations
:
: The participants received oral and written information and provided written informed consent before participating in the study. The study was approved by the Norwegian Regional Committee for Medical Research Ethics South-East-B (REK reference 2017/350).
: Not applicable.
: All authors declare that they have no competing interests.