1. Joint International Laboratory LIA LEMAC/LICS; IEMN UMR CNRS 8520, USTL, EC Lille Villeneuve d'Ascq France
2. Laboratoire d'Analyse et d'Architecture des Systèmes; Toulouse France
3. LAAS; Université de Toulouse; Toulouse France
4. Institute of Physics; ASCR v.v.i; Prague 8 Czech Republic
5. Faculty of Biomedical Engineering; Czech Technical University; Kladno Czech Republic