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2. US Department of Health and Human Services. HHS implementation guidance on data collection standards for race, ethnicity, sex, primary language, and disability status. October 30, 2011. Accessed May 10, 2020. https://aspe.hhs.gov/basic-report/hhs-implementation-guidance-data-collection-standards-race-ethnicity-sex-primary-language-and-disability-status
3. US Census Bureau. American Community Survey (ACS): why we ask—disability. Accessed May 10, 2021. https://www2.census.gov/programs-surveys/acs/about/qbyqfact/Disability.pdf
4. Centers for Disease Control and Prevention. Behavioral Risk Factor Surveillance System (BRFSS). Updated August 30, 2021. Accessed May 10, 2021. https://www.cdc.gov/brfss/