1. United Nations. World population ageing 2020 highlights. 2021. https://www.un.org/development/desa/pd/sites/www.un.org.development.desa.pd/files/undesa_pd-2020_world_population_ageing_highlights.pdf. [2023-10-15
2. Wang HM, Chen H. Aging in China: challenges and opportunities. China CDC Wkly 2022;4(27):601 − 2. https://doi.org/10.46234/ccdcw2022.130.
3. Wang HM. Blue book of elderly health: research and policy implementation of healthy aging in China. Beijing: Chinese Financial & Economic Publishing House. 2020.
4. Calatrava-Nicolás FM, Gutiérrez-Maestro E, Bautista-Salinas D, Ortiz FJ, González JR, Vera-Repullo JA, et al. Robotic-based well-being monitoring and coaching system for the elderly in their daily activities. Sensors 2021;21(20):6865. https://doi.org/10.3390/s21206865.
5. World Health Organization. Integrated care for older people: guidelines on community-level interventions to manage declines in intrinsic capacity. 2017. https://apps.who.int/iris/handle/10665/258981. [2023-10-1].