Kulminski, Alexander M.
Loika, Yury
Culminskaya, Irina
Arbeev, Konstantin G.
Ukraintseva, Svetlana V.
Stallard, Eric
Yashin, Anatoliy I.
Article History
Received: 11 January 2016
Accepted: 28 September 2016
First Online: 14 October 2016
Competing interests
: The authors declare no competing financial interests.