Olsen, Siri Lie
Evju, Marianne
Endrestøl, Anders
Funding for this research was provided by:
Miljødirektoratet
Norges Forskningsråd (208434/F40)
Article History
Received: 28 June 2017
Revised: 18 March 2018
Accepted: 21 March 2018
First Online: 4 April 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.