Polte, Tobias
Petzold, Susanne
Bertrand, Jessica
Schütze, Nicole
Hinz, Denise
Simon, Jan C.
Lehmann, Irina
Echtermeyer, Frank
Pap, Thomas
Averbeck, Marco
Article History
Received: 7 April 2015
Accepted: 20 May 2015
First Online: 13 July 2015
Competing interests
: The authors declare no competing financial interests.