Text and Data Mining valid from 2018-11-27
Accepted: 5 November 2018
First Online: 27 November 2018
Compliance with ethical standards
: The local Ethics Committee at the University of Freiburg and the local district government in Freiburg approved all experiments. All procedures were performed under strict adherence to the German Animal Welfare Law and met the standards set in the “Guide for care and use of laboratory animals” prepared by the National Academy of Sciences and published by the National Institutes of Health (NIH Publication No. 86-23, revised 1985). All applicable international, national, and institutional guidelines for the care and use of animals were followed.
: The authors declare that they have no conflict of interest.