People Trier University / dblp Dr. Michael Ley Christopher Michels, M.A. GESIS - Leibniz-Institute for the Social Sciences Dr. Brigitte Mathiak Nadine Dulisch, M.A. Zeljko Carevic Tobias Backes TH Köln - University of Applied Sciences Prof. Dr. Philipp Schaer Mandy Neumann, M.A.
