Bugge, Merete Drevvatne http://orcid.org/0000-0001-9806-0498
Ulvestad, B.
Berlinger, B.
Stockfelt, L.
Olsen, R.
Ellingsen, D. G.
Funding for this research was provided by:
Norges Forskningsråd (218350)
Article History
Received: 19 June 2019
Accepted: 15 November 2019
First Online: 26 November 2019
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: All participants gave informed written consent for voluntary participation in the study, which was approved by the Norwegian Regional Ethical Committee for Medical Research (REK), (2012/1575).