. 2022 Mar 25;9:822228. doi: 10.3389/fcvm.2022.822228
Copyright © 2022 Chew, Koh, Ng, Tan, Yong, Lin, Lim, Chin, Lim, Chan, Loh, Low, Lee, Tan and Chan.
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FIGURE 1.
PRISMA flow diagram. Search strategy and source of included studies.