Nicolay Manak and Irena Karpova (Belorussia), Aleksandar Lazarevic, Mirza Dilic and Dijana Trninic(Bosnia and Herzegovina), Asen Goudev (Bulgaria), Davor Milicic (Croatia), Kalman Toth (Hungary), Raffaele Bugiardini, Edina Cenko and Olivia Manfrini (Italy) Gani Bajraktari (Kosovo), Andrejs Erglis and Ilja Zakke (Latvia), Remigius Zaliunas and Olivija Gustiene (Lithuania), Sasko Kedev (FYR Macedonia), Mihail Popovici (Moldova), Bozidarka Knezevic and Nebojsa Bulatovic (Montenegro), Sergei Boytsov and Valery Gafarov (Russian Federation), Maria Dorobantu (Romania), Zorana Vasiljevic and Goran Stankovic (Serbia), Eva Goncalvesova and Martin Studenkan (Slovakia) , Alexander N. Parkhomenko (Ukraine) , Alistair Hall and Christopher P Gale (United Kingdom).