Funding for this research was provided by:
DGA (13co709)
Article History
Received: 20 July 2019
Revised: 5 December 2019
Accepted: 9 December 2019
First Online: 10 January 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest. This research received no specific grant from any funding agency in the commercial sector.
: All applicable international and/or institutional guidelines for the care and use of animals were followed. Experiments were conducted in accordance with the recommendations for animal experiments issued by the European Community Council guidelines (directive 2010/63/EU). The protocol was approved beforehand by an independent ethical board (reference 2015-04).