Sukhanova, N. I.
Trofimov, S. Ya.
Stepanov, A. L.
Kiryushin, A. V.
Article History
Received: 30 January 2019
Revised: 21 May 2019
Accepted: 20 June 2019
First Online: 25 March 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interest.