Beintner, Ina http://orcid.org/0000-0003-1779-9878
Hütter, Kristian http://orcid.org/0000-0002-1544-4013
Gramatke, Katrin
Jacobi, Corinna http://orcid.org/0000-0002-0982-0596
Article History
Received: 17 October 2018
Accepted: 16 January 2019
First Online: 31 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008.
: Informed consent was obtained from all individual participants included in the study.