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Authors
Beulig, Felix
Heuer, Verena B
Akob, Denise M
Viehweger, Bernhard
Elvert, Marcus
Herrmann, Martina
Hinrichs, Kai-Uwe
Küsel, Kirsten
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Article History
Received: 28 April 2014
Revised: 2 July 2014
Accepted: 3 July 2014
First Online: 12 September 2014
Competing interests
: The research presented in this manuscript was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
