Naumova, Ella A.
Sandulescu, Tudor
Bochnig, Clemens
Khatib, Philipp Al
Lee, Wing-Kee
Zimmer, Stefan
Arnold, Wolfgang H.
Article History
Received: 10 February 2014
Accepted: 15 April 2014
First Online: 8 May 2014
Competing interests
: The authors declare no competing financial interests.