Petrushanko, Irina Yu.
Mitkevich, Vladimir A.
Anashkina, Anastasia A.
Klimanova, Elizaveta A.
Dergousova, Elena A.
Lopina, Olga D.
Makarov, Alexander A.
Article History
Received: 20 December 2013
Accepted: 14 May 2014
First Online: 4 June 2014
Competing interests
: The authors declare no competing financial interests.