[1] Univ Southampton, Southampton Gen Hosp, Food Choice Grp, MRC Epidemiol Resource Ctr, Southampton S016 6YD, Hants, England
[2] Univ Southampton, Sch Psychol, Southampton SO171BJ, Hants, England
[3] Univ Wollongong, Sch Psychol, Wollongong, NSW 2500, Australia