Nesterova, N. V.
Samylina, I. A.
Matveenko, V. N.
Article History
Received: 10 January 2019
Revised: 12 February 2019
Accepted: 14 February 2019
First Online: 7 April 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The study was performed without the use of animals and without involving people as subjects.
: The authors declare that they have no conflict of interest.