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Authors
Karstens, Sven https://orcid.org/0000-0001-7403-3452
Krug, Katja
Raspe, Heiner
Wunderlich, Max
Hochheim, Martin
Joos, Stefanie
Hüppe, Angelika
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Funding
Funding for this research was provided by:
The underlying randomized controlled trial was financed by the Central Krankenversicherung AG, Cologne, Germany. There was now funding for the analyses presented in this manuscript.
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Article History
Received: 9 February 2018
Accepted: 13 February 2019
First Online: 28 February 2019
Ethics approval and consent to participate
: All participants gave written informed consent. Ethical approval for the trial was granted by the Ethics Committee of the University of Luebeck (registration ID: 14/249).
: Not applicable.
: SK, KK, MW, MH, SJ and AH declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
