Pfeifle, Joerg
Brasch, Victor
Lauermann, Matthias
Yu, Yimin
Wegner, Daniel
Herr, Tobias
Hartinger, Klaus
Schindler, Philipp
Li, Jingshi
Hillerkuss, David
Schmogrow, Rene
Weimann, Claudius
Holzwarth, Ronald
Freude, Wolfgang
Leuthold, Juerg http://orcid.org/0000-0003-0111-8169
Kippenberg, Tobias J.
Koos, Christian
Article History
Received: 17 July 2013
Accepted: 27 February 2014
First Online: 13 April 2014
Competing interests
: The authors declare no competing financial interests.