aDepartment of Psychology, University of Bath, Bath, United Kingdom
bCentre for Pain Research, University of Bath, Bath, United Kingdom
Corresponding author. Address: Centre for Pain Research, Department of Psychology, University of Bath, Bath BA2 7AY, United Kingdom. Tel.: +44 (0) 1225 38 5449. E-mail address: R.T.Edwards@bath.ac.uk (R. Edwards).
The authors have no conflicts of interest to declare.
This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Received May 20, 2017
Accepted May 24, 2017