Casartelli, Alberto
Riewe, David http://orcid.org/0000-0002-9095-5518
Hubberten, Hans Michael
Altmann, Thomas
Hoefgen, Rainer
Heuer, Sigrid
Article History
Received: 5 July 2017
Accepted: 22 November 2017
First Online: 25 January 2018
Competing interests
: The authors declare that they have no competing interests.
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