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Authors
Schwingshackl, Lukas
Ruzanska, Ulrike
Anton, Verena
Wallroth, Raphael
Ohla, Kathrin
Knüppel, Sven
Schulze, Matthias B.
Pischon, Tobias
Deutschbein, Johannes
Schenk, Liane
Warschburger, Petra
Harttig, Ulrich
Boeing, Heiner
Bergmann, Manuela M.
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Article History
Received: 30 March 2018
Accepted: 6 July 2018
First Online: 3 August 2018
Ethics approval and consent to participate
: The NFS was approved by the ethical committee of the Medical Association of the State of Brandenburg in Cottbus (Germany) (EK der LÄKB S 21(a)/2015). All participants provided a written fully informed consent before answering the questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
