Funding for this research was provided by:
Text and Data Mining valid from 2018-10-05
Received: 23 March 2018
Accepted: 14 July 2018
First Online: 5 October 2018
Compliance with ethical standards
: The authors Claudia Müller, Reiner Ulrich, Kati Franzke, Marcus Müller, and Bernd Köllner declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. Prior to the start of all trials the approval from the Federal state Ethical Committee for Animal Experimentation (LALLF-7221.3-1-025/15) was given and was performed following the acquirements of the EU directive 2010/63 and the EG recommendation 2007/526/.
: This article does not contain any studies with human participants or animals performed by any of the authors.