SHEE Kyiv National Economic University named after Vadym Getman, Kyiv, Ukraine, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Lviv Polytechnic National University, Lviv, Ukraine, V.I. Vernadsky Taurida National University, Kyiv, Ukraine, O.M. Beketov National University of Municipal Economy, Kharkiv, Ukraine and Simon Kuznets Kharkiv National University of Economics, Kharkiv, Ukraine