Key points are not available for this paper at this time.
Click to increase image sizeClick to decrease image size Julie Stirrup and Estelle Damant,Loughborough University, Loughborough, England.Email: j.l.stirrup@lboro.ac.uk; E.Damant@lboro.ac.uk© 2014, Julie Stirrup and Estelle Damant
Stirrup et al. (Fri,) studied this question.