1. Multimorbidity: redesigning health care for people who use it
2. United Nations (UN). World population aging report; 2019. Available from https://www.un.org/en/development/desa/population/publications/pdf/ageing/WorldPopulationAgeing2019-Report.pdf. Accessed October 10, 2023.
3. National Bureau of Statistics of China. Bulletin of the seventh national census; 2021. Available from http://www.stats.gov.cn/tjsj/tjgb/rkpcgb/qgrkpcgb/202106/t20210628_1818824.html. Accessed October 10, 2023.
4. U.S. Department of Health & Human Services. Aging; 2022. Available from https://www.hhs.gov/aging/index.html. Accessed October 10, 2023.
5. National Institute for Health and Care Excellence (NICE). Multimorbidity: clinical assessment and management; 2016. Available from https://www.nice.org.uk/guidance/ng56. Accessed October 10, 2023.