Andreas, Sylke http://orcid.org/0000-0002-1060-1411
Schedler, Kirsten
Schulz, Holger
Nutzinger, Detlev O.
Article History
Received: 1 September 2017
Accepted: 12 December 2017
First Online: 2 January 2018
Compliance with ethical standards
:
: Informed consent was obtained from all individual participants included in the study.
: None.
: All authors declare that there is no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study has been approved by the ethic committee of the University of Luebeck, Germany.