1. Centre for Science and Technology Studies (CWTS), Leiden University, Leiden (the Netherlands)
2. Centre for Research on Evaluation, Science and Technology (CREST), Stellenbosch University, Stellenbosch (South Africa)
3. Centre for Studies in Research and Research Policy (CFA), Aarhus University, Aarhus (Denmark)
4. Complexity Science Hub Vienna, Vienna (Austria)
5. Institute of Information Systems Engineering, Vienna University of Technology, Vienna (Austria)