1. Journalism Department, Campus of Leioa, University of the Basque Country, 48940 Leioa, Spain
2. Sociology and Market Research Area, Camarabilbao University Business School, 48011 Bilbao, Spain
3. LAMS Programme, Faculty of Arts of the Araba Campus, University of the Basque Country, 01006 Vitoria-Gasteiz, Spain