Kaufmann, Martina http://orcid.org/0000-0002-7535-9881
Neumann, Roland
Article History
First Online: 27 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures involving human participants were carried out in accordance with the Institution’s and/or National Research Committee’s ethical standards, and with the 1964 Helsinki Declaration and subsequent amendments, or with comparable ethical standards.
: This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.