Ficke, Andrea
Grieu, ChloƩ
Brurberg, May Bente
Brodal, Guro
Funding for this research was provided by:
Foundation for Research Levy on Agricultural Products/Agricultural Agreement Research Fund (244210, 218896)
Article History
Accepted: 8 August 2018
First Online: 17 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.