Kim, Jungho
Daghofer, M.
Said, A. H.
Gog, T.
van den Brink, J.
Khaliullin, G.
Kim, B. J.
Article History
Received: 28 March 2014
Accepted: 19 June 2014
First Online: 17 July 2014
Competing interests
: The authors declare no competing financial interests.