Khajetoorians, A. A.
Valentyuk, M.
Steinbrecher, M.
Schlenk, T.
Shick, A.
Kolorenc, J. http://orcid.org/0000-0003-2627-8302
Lichtenstein, A. I.
Wehling, T. O.
Wiesendanger, R.
Wiebe, J.
Article History
Received: 19 November 2014
Accepted: 27 July 2015
First Online: 7 September 2015
Competing interests
: The authors declare no competing financial interests.