1. Joint Institute for Nuclear Research, 6 Joliot-Curie Str., 141980 Dubna, Russia
2. Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului Str., 077125 Măgurele, Romania
3. Institute of Microbiology and Biotechnology, Technical University of Moldova, 1 Academiei Str., 2028 Chisinau, Moldova