Hatlevoll, I. http://orcid.org/0000-0001-9717-4995
Oldervoll, L. M. http://orcid.org/0000-0002-5562-5396
Wibe, A. http://orcid.org/0000-0001-6813-4134
Stene, G. B. http://orcid.org/0000-0003-4098-6508
Stafne, S. N. http://orcid.org/0000-0003-4922-477X
Hofsli, E. http://orcid.org/0000-0001-9856-4880
Funding for this research was provided by:
Dam Foundation, Norway (18201619001)
Article History
Received: 8 July 2020
Accepted: 16 September 2020
First Online: 8 October 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study was approved by the Regional Committee for Medical and Health Research Ethics of Northern Norway (Record no. 2015/1050/REK nord) and was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: Not applicable.