1. B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine; Lenin Avenue 47; Kharkov; 61103; Ukraine
2. Institute for Structural Chemistry; Chemical Research Centre of the Hungarian Academy of Sciences; Pusztaszeri str. 59-67; H-1025; Budapest; Hungary
3. ALT Ukraine Ltd.; Lunacharskogo str. 4; Kiev; 02002; Ukraine