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Authors
Tönnies, Justus
Oeljeklaus, Lydia
Wensing, Michel
Hartmann, Mechthild
Friederich, Hans-Christoph
Haun, Markus W. http://orcid.org/0000-0003-1851-3747
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Funding
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01GY1612, 01GY1612, 01GY1612)
Medizinische Fakultät Heidelberg der Universität Heidelberg
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Article History
Received: 13 March 2021
Accepted: 22 June 2021
First Online: 20 July 2021
Declarations
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: This study was approved by the Ethics Committee of the Medical faculty at Heidelberg University (S-197/2017) and preregistered with the German Clinical Trials Register (DRKS00012487). All procedures performed in studies involving human participants were in accordance with the ethical standards of the research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Prior to study participation written informed consent was obtained from all individual participants included in the study, and they were able to raise questions with the study team who answered them.
: Not applicable.
: The authors declare that they have no competing interests.
