Granas, Anne Gerd http://orcid.org/0000-0002-6849-9421
Halvorsen, Kjell Hermann http://orcid.org/0000-0003-1562-1822
Wendelbo, Julie
Johannessen Landmark, Cecilie http://orcid.org/0000-0002-0877-8912
Article History
Received: 8 April 2019
Revised: 19 July 2019
Accepted: 17 September 2019
First Online: 15 November 2019
Conflicts of interest
: The authors declare that they have no conflicts of interest.