Ryazanova, Lillia V.
Hu, Zhixian
Suzuki, Sayuri
Chubanov, Vladimir
Fleig, Andrea
Ryazanov, Alexey G.
Article History
Received: 22 July 2014
Accepted: 3 December 2014
First Online: 23 December 2014
Competing interests
: The authors declare no competing financial interests.