1. National diabetes fact sheet;Centers for Disease Control and Prevention,2011
2. Economic costs of diabetes in the U.S. In 2007;American Diabetes Association;Diabetes Care,2008
3. Behavioral Risk Factor Surveillance System: Prevalence and Trends Data;Center for Disease Control,2012
4. National ambulatory care health data;Centers for Disease Control and Prevention,2012
5. The state of health care quality;National Committee for Quality Assurance,2012