1. Longer Life but Worsening Health? Trends in Health and Mortality of Middle-Aged and Older Persons
2. Centers for Disease Control and Prevention.Chronic Disease Prevention and Health Promotion Chronic Disease Overview 2017. URL:https://www.cdc.gov/chronicdisesase/overview/.
3. Pay for Performance at the Tipping Point
4. Congressional Budget Office.Lessons from Medicare's demonstration projects on disease management care coordination and value‐based payment.2012. URL:https://www.cbo.gov/sites/default/files/112th-congress-2011-2012/reports/01-18-12-MedicareDemoBrief.pdf.