Siikavuopio, Sten Ivar
Bakke, Snorre
Sæther, Bjørn Steinar
Thesslund, Tina
Christiansen, Jørgen S.
Funding for this research was provided by:
NFR
Article History
Received: 21 January 2019
Revised: 24 June 2019
Accepted: 27 June 2019
First Online: 9 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.