. 2022 May 11;5(2):e35224. doi: 10.2196/35224
©Ka Ying Ho, Po Mang Cheung, Tap Wing Cheng, Wing Yin Suen, Hiu Ying Ho, Daphne Sze Ki Cheung. Originally published in JMIR Aging (https://aging.jmir.org), 11.05.2022.
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Figure 1.
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flowchart.