1. Gerteis J ID, Deitz D, LeRoy L, Ricciardi R, Miller T, Basu J. Multiple chronic conditions chartbook: 2010 Medical Expenditure Panel Survey Data. 2014.
2. Centers for Disease Control and Prevention. About chronic disease. 2021 [updated April 28, 2021]. https://www.cdc.gov/chronicdisease/about/index.htm.
3. Dunn L. Getting a handle on hospital costs 2015. http://www.hhnmag.com/articles/3614-getting-a-handle-on-hospital-workforce-costs.
4. Centers for Medicare and Medicaid Services. National Health Expenditure Data Historical. 2021. https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/NationalHealthExpendData/NationalHealthAccountsHistorical.
5. Centers for Medicare and Medicaid Services. Chronic condition charts. 2018.