Institute for Experimental Physics, University Vienna (Austria)

Institute of Physics, Academy of Sciences, Prague (Czech Republic)

Faculty of Physics, Vilnius University (Lithuania)

Jozef Stefan Institute, Ljubljana (Slovenia)

European Piezoinstitute (Belgium)

Institute of Physics, Krakow Pedagogical University (Poland)

Oulu University (Finland)

Dubna Joint Institute for Nuclear Research (Russia)

CIEMAT Madrid (Spain)

University of Aveiro, Department of Ceramic and Glass Engeneering (Portugal)

Volgograd Institute of Chemistry and Technology of Rare Elements and Minerals, Apatity (Russia)

Laboratory of Adaptive Optics of Moscow State University (Russia)