Freundlieb, P. H.
Herbik, A.
Kramer, F. H.
Bach, M.
Hoffmann, M. B. http://orcid.org/0000-0002-6452-9638
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (2002/12-1)
Article History
Received: 6 June 2019
Revised: 23 September 2019
Accepted: 5 October 2019
First Online: 21 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethical Committee of the University of Magdeburg, Germany, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.