Lebedev, Oleg A.
Lukševičs, Ervins http://orcid.org/0000-0002-5362-7953
Funding for this research was provided by:
Latvijas Universitate
Presidium of the Russian Academy of Sciences (30)
Article History
Received: 15 March 2016
Revised: 27 June 2016
Accepted: 20 September 2016
First Online: 9 November 2016
Compliance with ethical standards
:
: The authors declare that they have no competing interests.