1. Instituto de Ciências Sociais, Universidade de Lisboa, Lisboa, Portugal
2. Departamento de Ciencia Política y de la Administración, Universidad de Granada, Granada, Spain
3. Department of Communication and Media Studies, National and Kapodistrian University of Athens, Athens, Greece
4. School of Communications, Dublin City University, Dublin, Ireland
5. Faculty of Political Science and Journalism, Adam Mickiewicz University in Poznań, Poznań, Poland