1. Puska PNC, Porter D (2003) Global strategy on diet, physical activity, and health: obesity and overweight. World Health Organization, Geneva
2. Ogden C, Carroll M, Kit B, Flegal K (2012) Prevalence of obesity in the United States, 2009–2010. National Center for Health Statistics, Hyattsville
3. Must A, Spadano J, Coakley EH, Field AE, Colditz G, Dietz WH (1999) The disease burden associated with overweight and obesity. JAMA 282:1523–1529
4. Finkelstein EA, Trogdon JG, Cohen JW, Dietz W (2009) Annual medical spending attributable to obesity: payer- and service-specific estimates. Health Aff 28:w822–w831
5. Centers for Medicare and Medicaid Services (2012) National Health Expenditure tables. http://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/NationalHealthExpendData/Downloads/tables.pdf . Accessed 2 Jan 2013