Closed Joint Stock Company «Bohodukhivskyi Meat» Megabank JSC, Kharkov NTU «Kharkov Polytechnic Institute» PE «Poddubsky» Dental Clinic on the Culture street, Kharkov Ukrainian Scientific Research Institute of prosthetics and rehabilitation, Kharkov Kharkov State Medical University Kharkiv National University of Radio Electronics (KHNURE) Kharkiv National University of Economics (HNEU) Kharkov Regional Center for Family Planning and Human Reproduction