Attribution 4.0 © María Dolores Odriozola Zamanillo © Elisa Pilar Baraibar Díez. Published by Emerald Publishing Limited. This article is published under the Creative Commons Attribution (CC BY 4.0) licenceExcept where otherwise noted, this item's license is described as Attribution 4.0 © María Dolores Odriozola Zamanillo © Elisa Pilar Baraibar Díez. Published by Emerald Publishing Limited. This article is published under the Creative Commons Attribution (CC BY 4.0) licence