1. University of Vienna, Department of Communication, Austria
2. University of Muenster, Department of Communication, Germany
3. Heinrich Heine University Düsseldorf, Department of Social Sciences, Germany
4. Centre for Media, Communication and Information Research (ZeMKI), University of Bremen
5. Alexander von Humboldt Institute for Internet and Society (HIIG), Berlin, Germany
6. Trier University, Department of Media Studies, Germany