1. Institute for Digital Communication and Media Innovation, University of Fribourg (CH), Fribourg, Switzerland
2. Department of Communication and Media Research, University of Zurich, Zurich, Switzerland
3. Amsterdam School of Communication Research, University of Amsterdam, Amsterdam, Netherlands
4. Department of Informatics, University of Zurich, Zurich, Switzerland
5. Department of Communication and Media Research, University of Fribourg (CH), Fribourg, Switzerland