1. State University of Telecommunications, Kyiv, Ukraine.
2. National Pedagogical Dragomanov University, Kyiv, Ukraine.
3. Dnipro State Medical University, Dnipro, Ukraine.
4. National Academy of Sciences of Ukraine", Kyiv, Ukraine.
5. Ternopil Volodymyr Hnatyuk National Pedagogical University, Ternopil, Ukraine.