Haland, Trine F.
Edvardsen, Thor http://orcid.org/0000-0002-6849-9579
Article History
Received: 26 September 2019
Accepted: 15 October 2019
First Online: 19 December 2019
Compliance with ethical standards
:
: Trine F. Haland and Thor Edvardsen declare that they have no conflicts of interest.