1. Department of Legal Theory, Faculty of Law and Administration, Jagiellonian University, Ul. Gołebia 24, 31-007 Krakow, Poland
2. Italian National Research Council (Florence, Italy) and European Parliament (Luxembourg)
3. Institute of Computer Science, Maria Curie Sklodowska University, Ul. Akademicka 9, 20-033 Lublin, Poland