Dr. Peter Gentzel is juniorprofessor at the University of Erlangen-NurembergDr. Friedrich Krotz is professor (emer.) at the Center for Media, Communication and Information Research (ZeMKI) at the University of Bremen.Dr. Jeffrey Wimmer is a professor at the Institute for Media, Knowledge and Communication at the University of Augsburg.Dr. Rainer Winter is a professor at the Institute for Communication Studies at the University of Klagenfurt.