von Beckerath, Anne-Karen
Katz, Toam
Harfst, Anna
Druchkiv, Vasyl
Frings, Andreas
Funding for this research was provided by:
Ernst und Berta Grimmke Stiftung (-)
Article History
Received: 9 October 2019
Revised: 6 February 2020
Accepted: 12 February 2020
First Online: 19 February 2020
Compliance with ethical standards
:
: No Conflicts of Interest.All authors certify that they have no affiliations with or involvement in any organisation 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-licencing 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
: 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.