University College London, University of Freiburg, University of Queensland, Saarland University - German Research Center for Artificial Intelligence (DFKI GmbH), Technische Universität Dresden, Saarland University, Delft University of Technology (TU Delft), University of Minnesota, University College Dublin, University of Minnesota - Minneapolis, University of Oxford - Oxford Internet Institute, University of Michigan, National University of Singapore, Technische Universität Berlin (TU Berlin), University of Lübeck, University of Melbourne, University of Chicago - Department of Computer Science, Maastricht University, Johns Hopkins University and Saarland University

affiliation not provided to SSRN, affiliation not provided to SSRN and Technische Universität Berlin (TU Berlin)