Harmsen, Jan-Frieder http://orcid.org/0000-0002-0962-8633
Franz, Alexander
Mayer, Constantin
Zilkens, Christoph
Buhren, Bettina Alexandra
Schrumpf, Holger
Krauspe, RĂ¼diger
Behringer, Michael
Article History
Received: 2 September 2018
Accepted: 26 November 2018
First Online: 29 November 2018
Compliance with ethical standards
:
: All authors declare that there are no financial and personal relationships with third parties or organizations that could have inappropriately influenced the present work. The authors further state that no funding was received.