Humphreys, Rosalind K.
Ruxton, Graeme D.
Funding for this research was provided by:
University of St. Andrews
Article History
Received: 10 September 2017
Revised: 18 December 2017
Accepted: 23 December 2017
First Online: 15 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this review, formal consent was not required.