Ivanenko, G. F.
Article History
Received: 18 June 2019
Revised: 18 June 2019
Accepted: 21 August 2019
First Online: 10 March 2020
COMPLIANCE WITH ETHICAL STANDARDS
: All procedures performed in a study involving people were consistent with the ethical standards of the 1964 Helsinki Declaration and its subsequent changes. Informed voluntary consent was obtained from study participants.All applicable international, national, and institutional principles for animal care and use were followed.
: The authors declare that they have no conflict of interest.