Rotermund, Roman http://orcid.org/0000-0002-5039-5317
Regelsberger, Jan
Osterhage, Katharina
Aberle, Jens
Flitsch, Jörg
Funding for this research was provided by:
Staats- und Universitätsbibliothek Hamburg – Carl von Ossietzky
Article History
Received: 24 October 2020
Accepted: 8 February 2021
First Online: 22 February 2021
Declarations
:
: 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.
: Katharina Osterhage and Roman Rotermund 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.Jan Regelsberger is consultant for Olympus.Jörg Flitsch has been a lecturer for Olympus.