1. Department of Media and Communication, LMU Munich, Munich, Germany
2. Department of Communication Studies, University of Hohenheim, Stuttgart, Germany
3. Department of Communication, University of Münster, Münster, Germany
4. Department of Communication and Media Studies, Heinrich-Heine University of Düsseldorf, Düsseldorf, Germany
5. Department of Communication, Johannes Gutenberg-University Mainz, Mainz, Germany
6. Department of Agricultural Economics and Rural Development, Georg-August-University, Göttingen, Germany