1. Faculty of Electrical EngineeringCzech Technical University in Prague Praha 6 Czech Republic
2. Engelhardt ObservatoryKazan Federal University Kazan Russian Federation
3. INAF Bologna Italy
4. University Ferrara Ferrara Italy
5. University of Geneva Geneva Switzerland
6. University of Leicester Leicester UK
7. CEA Toulouse France
8. Astronomical InstituteCzech Academy of Sciences Ondrejov Czech Republic