1. Ivan Franko National University of Lviv,Department of System Design,Lviv,Ukraine
2. Karpenko Physico-Mechanical Institute of the NAS of Ukraine,Department of Electrophysical Methods of Non-Destructive Testing,Lviv,Ukraine
3. Lviv Polytechnic National University,Department of Business and Environmental Expertise of Goods,Lviv,Ukraine
4. Lviv State University of Physical Culture,Department of Informatics and Kinesiology Ivan Boberskyi,Lviv,Ukraine
5. Lviv Polytechnic National University,Department of Management and International Business,Lviv,Ukraine