Schmied, Jürgen J
Raab, Mario
Forthmann, Carsten
Pibiri, Enrico
Wünsch, Bettina
Dammeyer, Thorben
Tinnefeld, Philip
Article History
First Online: 15 May 2014
Competing interests
: Technische Universität Braunschweig has filed German and US patent applications covering parts of the work described in this manuscript.