1. AGH University of Science and Technology,Faculty of Computer Science, Electronics and Telecommunications,Krakow,Poland
2. AGH University of Science and Technology,Department of Measurement and Electronics,Krakow,Poland
3. AGH University of Science and Technology,Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering,Krakow,Poland
4. Autosymed SRL,Iasi,Romania