Büren, Carina
Hambüchen, Michael
Windolf, Joachim
Lögters, Tim
Windolf, Ceylan Daniela
Article History
Received: 18 July 2018
First Online: 24 April 2019
Compliance with ethical standards
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: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ 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 relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.