Ardashirova, N. S.
Fedotova, E. Yu.
Illarioshkin, S. N.
Article History
Received: 30 July 2019
Revised: 23 August 2019
Accepted: 29 August 2019
First Online: 11 June 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare that they have no conflict of interest.