Delling, Cora
Holzhausen, Ivette
Daugschies, Arwid
Lendner, Matthias
Article History
Received: 12 October 2015
Accepted: 2 November 2015
First Online: 14 November 2015
Compliance with ethical standards
:
: This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.
: The authors declare that they have no competing interests.
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