Nieder, Carsten http://orcid.org/0000-0003-1592-2908
Kämpe, Thomas A.
Pawinski, Adam
Dalhaug, Astrid
Article History
Received: 27 October 2017
Accepted: 5 January 2018
First Online: 17 January 2018
Conflict of interest
: C. Nieder, T.A. Kämpe, A. Pawinski and A. Dalhaug declare that they have no competing interests.