Funding for this research was provided by:
Akademie für Tiergesundheit
German Research Foundation (DFG) and Leipzig University within the program of Open Access Publishing
Text and Data Mining valid from 2018-08-06
Received: 3 May 2018
Accepted: 27 July 2018
First Online: 6 August 2018
: The animal experiments related to the blood sampling were approved by the responsible authorities (Landesdirektion Sachsen, Germany, trial registration number V13/10).
: Not applicable.
: The authors declare that they have no competing interests.
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