Text and Data Mining valid from 2019-05-07
First Online: 7 May 2019
Compliance with ethical guidelines
: J. Schulze, L. Nolte, S. Lyutenski, N. Tinne, D. Heinemann, T. Ripken, M. A. Willaredt, H. G. Nothwang, T. Lenarz and A. Warnecke declare that they have no competing interests.
: All experiments were carried out in accordance with the European communities Council Directive (2010/63/EU), the German Animal Protection law and approved by local animal care and use committee (LAVES, Oldenburg). All studies performed were in accordance with the ethical standards indicated in each case.
: The supplement containing this article is not sponsored by industry.