Gerschke, Marco
Schöttker-Königer, Thomas
Förster, Annette
Netzebandt, Jonka Friederike
Beushausen, Ulla Marie
Article History
Received: 17 January 2018
Accepted: 9 August 2018
First Online: 16 August 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Written informed consent was obtained from all the participants before participation in this study.