[1] Igor Sikorsky Kyiv Polytech Inst, Dept Elect Engn, Kiev, Ukraine
[2] Univ Svizzera Italiana, Inst Publ Hlth, Fac Commun Culture & Soc, Lugano, Switzerland
[3] Taras Shevchenko Natl Univ Kyiv, Inst Journalism, Kiev, Ukraine
[4] Taras Shevchenko Natl Univ Kyiv, Fac Sociol, Dept Branch Sociol, Kyiv, Switzerland
[5] Taras Shevchenko Natl Univ Kyiv, Univ Clin, Kiev, Ukraine