This research was funded by a grant from the National
Prevention Research Initiative, grant number
G0501282.The National Preventive Research Initiative
is an initiative to support high quality research aimed at
identifying effective approaches to reduce risk factors
and influence health behaviour in order to positively
impact upon the incidence of new cases of major preventable
diseases. The initiative is supported by a consortium
of major research bodies and charities,
including the Economic and Social Research Council;
Medical Research Council; British Heart Foundation;
Cancer Research UK; Department of Health; Diabetes
UK; Food Standards Agency; Research and Development
Office for the Northern Ireland Health and
Social Services; Chief Scientist Office, Scottish Executive
Health Department; Wales Office of Research &
Development;World Cancer Research Fund.