Gushcha, A. O.
Tyurnikov, V. M.
Kashcheev, A. A.
Article History
Received: 12 November 2018
Revised: 30 November 2018
Accepted: 2 December 2018
First Online: 23 January 2023
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests. The authors declare that they do not have a conflict of interest.