Keßler, Andreas http://orcid.org/0000-0003-3024-2425
Kaisarly, Dalia
Hickel, Reinhard
Kunzelmann, Karl-Heinz
Article History
Received: 2 November 2017
Accepted: 9 August 2018
First Online: 17 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This article does not refer to any studies involving human participants or animals performed by the authors.
: For this type of study, formal consent is not required.