1. Federal Interagency Forum on Aging-Related Statistics. 2012. Older Americans 2012: Key indicators of well-being. Available at: http://www.agingstats.gov/main_site/data/2012_documents/docs/entirechartbook.pdf. Accessed May 15, 2015.
2. US Census Bureau. 2010. The next four decades. The older population in the United States: 2010 to 2050. Available at: http://www.census.gov/prod/2010pubs/p25-1138.pdf. Accessed May 15, 2015.
3. Centers for Disease Control and Prevention. 2013. Percentage of adults aged 60 years or older with diagnosed diabetes who needed assistance with activities of daily living (ADL),* by age and sex, United States, 1997–2011. Available at: http://www.cdc.gov/diabetes/statistics/activities/fADLByAgeSex.htm. Accessed May 15, 2015.
4. Healthcare Cost and Utilization Project (HCUP). Agency for Healthcare Research and Quality,2011
5. Institute of Medicine. 2008. Retooling for an aging America: Building the health care workforce. Available at: http://www.iom.edu/Reports/2008/Retooling-for-an-aging-America-Building-the-Health-Care-Workforce.aspx. Accessed May 15, 2015.