1. World Health Organization. Report of a joint WHO/FAO expert consultation. Diet, nutrition and the prevention of chronic diseases. WHO: Geneva, 2003, Report no.: TRS 916.
2. James WP . The epidemiology of obesity: the size of the problem. J Intern Med 2008; 263: 336–352.
3. Department of Health and Ageing, Department of Agriculture Fisheries and Forestry, Australian Food and Grocery Council. Australian National Children’s Nutrition and Physical Activity Survey: Main Findings. Commonwealth of Australia: Canberra, 2007.
4. Hardy LL, King L, Espinel P, Cosgrove C, Bauman A . NSW Schools Physical Activity and Nutrition Survey (SPANS) 2010: Short Report. NSW Ministry of Health: Sydney, 2011.
5. Telama R, Yang X, Viikari J, Valimaki I, Wanne O, Raitakari O . Physical activity from childhood to adulthood: a 21-year tracking study. Am J Prev Med 2005; 28: 267–273.