Mauersberger, Heidi http://orcid.org/0000-0001-6743-8654
Hess, Ursula
Funding for this research was provided by:
Humboldt-Universität zu Berlin
Article History
First Online: 22 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the study that involved human participants were in accordance with the ethical standards of the institutional research committee 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.