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Authors
Hoburg, Arnd https://orcid.org/0000-0001-6959-4757
Leitsch, Julia Marcella
Diederichs, Gerd
Lehnigk, Rex
Perka, Carsten
Becker, Roland
Scheffler, Sven
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Article History
Received: 9 July 2017
First Online: 15 May 2018
Compliance with ethical standards
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: All authors would like to state that they have no conflict of Interest. No outside funding or grants were received that assisted in the study. Thus, this research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
: The article contains human participants and ethical approval was obtained by local authorities.
: Informed consent was obtained from all individual participants included in the study.
