Kadnikov, V. V.
Mardanov, A. V.
Beletsky, A. V.
Frank, Y. A.
Karnachuk, O. V.
Ravin, N. V.
Article History
Received: 25 December 2018
Revised: 6 January 2019
Accepted: 7 January 2019
First Online: 6 August 2019
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.