1. Automatic Control and Informatics Opole University of Technology,Faculty of Electrical Engineering,Opole,Poland
2. Kazimierz Wielki University,Institute of Computer Science,Bydgoszcz,Poland
3. Kazimierz Wielki University,Institute of Philosophy,Bydgoszcz,Poland
4. Opole University of Technology,Faculty of Physical Education and Physiotherapy,Opole,Poland
5. University of Opole,Faculty of Natural and Technical Sciences,Opole,Poland
6. University of Luxembourg,Department of Computer Science,Luxembourg,Luxembourg