Bugreev, Dmitry V.
Huang, Fei
Mazina, Olga M.
Pezza, Roberto J.
Voloshin, Oleg N.
Daniel Camerini-Otero, R.
Mazin, Alexander V.
Article History
Received: 22 October 2013
Accepted: 22 May 2014
First Online: 19 June 2014
Competing interests
: The authors declare no competing financial interests.