1. United Nations Development Program Access for all Basic public services for 1.3 billion people (Human Development Report China 2007/08). Beijing: China Translation & Publishing Corporation. 1–221 (2008).
2. Sousa, R. M. et al. Contribution of chronic diseases to disability in elderly people in countries with low and middle incomes: a 10/66 Dementia Research Group population-based survey. Lancet. 28, 374 (9704), 1821–1830 (2009).
3. Anders, W. & Martin, P. World Alzheimer Report 2010. London: Alzheimer’s Disease International. 1–47 (2010).
4. Rizzi, L., Rosset, I. & Roriz-Cruz, M. Global epidemiology of dementia: Alzheimer’s and vascular types. BioMed research international. 2014, 908915 (2014).
5. Ferri, C. P. et al. Global prevalence of dementia: a Delphi consensus study. Lancet. 366, 2112–2117 (2005).