1. About dementia. https://www.nhs.uk/conditions/dementia/about/
2. Cognitive impairment. https://www.cdc.gov/aging/pdf/cognitive_impairment/cogimp_poilicy_final.pdf
3. Datasets. https://casas.wsu.edu/datasets/
4. The global impact of dementia. https://www.alzint.org/u/WorldAlzheimerReport2015.pdf
5. What is dementia? https://www.cdc.gov/aging/dementia/index.html