Copyright © 2019 by Marte Mangset, Fredrik Engelstad, Mari Teigen and Trygve Gulbrandsen Published by Emerald Publishing  Limited. This chapter is published under the Creative Commons Attribution (CC BY 4.0) licence. Anyone may reproduce, distribute, translate and create derivative works of this chapter (for both commercial and non-commercial purposes), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at  http://creativecommons.org/licences/by/4.0/legalcode
Except where otherwise noted, this item's license is described as Copyright © 2019 by Marte Mangset, Fredrik Engelstad, Mari Teigen and Trygve Gulbrandsen Published by Emerald Publishing Limited. This chapter is published under the Creative Commons Attribution (CC BY 4.0) licence. Anyone may reproduce, distribute, translate and create derivative works of this chapter (for both commercial and non-commercial purposes), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode