Nguyen, Natalie http://orcid.org/0000-0003-0243-6994
Thalhammer, Regina
Beutner, Katrin
Saal, Susanne
Servaty, Ricarda
Klingshirn, Hanna
Icks, Andrea
Freyberg, Kristina
Vomhof, Markus
Mansmann, Ulrich
Le, Lien
Müller, Martin
Meyer, Gabriele
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01GL1706A, 01GL1706B, 01GL1760C)
Article History
Received: 18 October 2018
Accepted: 26 April 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: Ethical approval was granted by the ethics committees of Martin Luther University of Halle-Wittenberg in June 2018 (2018–63) and Ludwig Maximilian University of Munich in July 2018 (18–356). Each participant must sign a written informed consent form prior to enrolment. Approval for the informed consent materials was received from both ethics committees.
: Not applicable.
: The authors declare that they have no competing interests.
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