1. Institute for Applied Informatics (InfAI), Goerdelerring 9, 04109 Leipzig, Germany, --- Select a Country ---
2. Information Systems Institute, Leipzig University, Grimmaische Str. 12, 04109 Leipzig, Germany, --- Select a Country ---
3. Business Informatics Institute, Wrocław University of Economics, ul. Komandorska 118-120, 53-345 Wrocław, Poland, --- Select a Country ---