1. Institut für Demokratie und Zivilgesellschaft (Institute for Democracy and Civil Society, IDZ); Jena Germany
2. BIGSSS Bremen International Graduate School of Social Sciences; Jacobs University; Bremen Germany
3. Department of Computational Social Science; GESIS Leibniz Institute for the Social Sciences; Cologne Germany
4. Leibniz-Institut für Wissensmedien IWM (Knowledge Media Research Center); Tübingen Germany