Lechner, Judith
Chen, Mei
Hogg, Ruth E.
Toth, Levente
Silvestri, Giuliana
Chakravarthy, Usha
Xu, Heping http://orcid.org/0000-0003-4000-931X
Funding for this research was provided by:
Dunhill Medical Trust (R188/0211)
Guide Dogs for the Blind Association UK (2008-5a)