Kaymak, Hakan http://orcid.org/0000-0001-5006-7420
Fricke, Andreas
Mauritz, Yvonne
Löwinger, Anne
Klabe, Karsten
Breyer, Detlev
Lagenbucher, Achim
Seitz, Berthold
Schaeffel, Frank
Article History
Received: 25 April 2018
Revised: 9 July 2018
Accepted: 17 August 2018
First Online: 25 August 2018
Compliance with ethical standards
:
: Author A Fricke has received a speaker honorarium of DGII in 2016.All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest other than the speaker honorarium (A Fricke) (such as honoraria; educational grants; participation in speaker bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationship, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies 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.
: Informed consent was obtained from all individual participants included in the study.