1. Institute for Media Research, Chemnitz University of Technology, Chemnitz, Germany
2. GESIS Leibniz Institute for the Social Sciences, Cologne, Germany
3. Department of Communication Studies and Media Research, LMU Munich, Munich, Germany
4. Institute of Media and Communication Science, Ilmenau University of Technology, Ilmenau, Germany
5. Institute of Communication and Media Studies, Leipzig University, Leipzig, Germany
6. Department of Communication, Michigan State University, East Lansing, MI, United States