Yarushkina, Natalia I.
Filaretova, Ludmila P.
Funding for this research was provided by:
Russian Science Foundation (14-15-00790)
Article History
Received: 20 November 2017
Accepted: 23 January 2018
First Online: 5 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.