Fiser, Aris
Mahringer, David
Oyibo, Hassana K
Petersen, Anders V
Leinweber, Marcus
Keller, Georg B http://orcid.org/0000-0002-1401-0117
Article History
Received: 16 May 2016
Accepted: 8 August 2016
First Online: 12 September 2016
Competing interests
: The authors declare no competing financial interests.