Paul, Christoph http://orcid.org/0000-0002-6458-0302
Kaus, Sonja
Müller, Hans-Helge
Schröder, Frank Michael
Sekundo, Walter
Article History
Received: 25 February 2019
Revised: 14 August 2019
Accepted: 27 August 2019
First Online: 4 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Philipps-University Marburg, Germany, and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required. This article does not contain any studies with animals performed by any of the authors.