1. US Census Bureau. Annual Estimates of the Resident Population by Sex, Age, Race, and Hispanic Origin for the United States and States: April 1, 2010 to July 1, 2013. 2013 Population Estimates 2014.
2. Language Data from the American Community Survey. U.S. Census Bureau 2013; http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_13_5YR_B16006&prodType=table . Accessed 5/29/15.
3. Fernandez A, Schillinger D, Warton EM, et al. The Impact of Language Barriers on Poor Glycemic Control Among Insured Latinos with Diabetes: data from the DISTANCE Study. J Gen Intern Med. 2009;24(SI):S185.
4. Schenker Y, Karter AJ, Schillinger D, et al. The impact of limited English proficiency and physician language concordance on reports of clinical interactions among patients with diabetes: the DISTANCE study. Patient Educ Couns. 2010;81(2):222–8.
5. Karliner LS, Perez-Stable EJ, Gildengorin G. The language divide. The importance of training in the use of interpreters for outpatient practice. J Gen Intern Med. 2004;19(2):175–83.