1. Department of Communication Science, VU University, Amsterdam, The Netherlands
2. Jyväskylä School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
3. Department of Language and Communication Studies, University of Jyväskylä, Jyväskylä, Finland
4. Medill School of Journalism, Northwestern University, Evanston, Illinois, USA