Foundation: Christoph Schimmer, University of Würzburg 30 March 2015 This publication was funded by the German Research Foundation (DFG) and the University of Wuerzburg in the funding programme Open Access Publishing. Competing interests None declared
Foundation:
30 March 2015
This publication was funded by the German Research Foundation (DFG) and the University of Wuerzburg in the funding programme Open Access Publishing.Competing interests
None declared