Adam, Matti
Meyer, Sven
Knors, Henning
Klinke, Anna
Radunski, Ulf K.
Rudolph, Tanja K.
Rudolph, Volker
Spin, Joshua M.
Tsao, Philip S.
Costard-Jäckle, Angelika
Baldus, Stephan
Article History
Received: 12 October 2014
Accepted: 6 March 2015
First Online: 13 April 2015
Competing interests
: The authors declare no competing financial interests.