1. World Health Organization. Obesity: Preventing and Managing the Global Epidemic. World Health Organization: Geneva, 2000.
2. National Audit Office. Tackling Obesity in England. National Audit Office: London, 2001.
3. Bless H, Fiedler K, Strack F . Social Cognition: How Individuals Construct Social Reality. Psychology Press: Hove, UK, 2004.
4. Conner M, Norman P . The role of social cognition in health behaviours. In: Conner M, Norman P (eds). Predicting Health Behaviour: Research and Practice with Social Cognition Models. Open University Press: Buckingham, UK, 1996, pp 1–22.
5. Peak H . Attitude and motivation. In: Jones MR (ed). Nebraska Symposium on Motivation. University of Nebraska Press: Lincoln, 1955, pp 149–188.