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. 2021 Oct 22;43:e2021090. doi: 10.4178/epih.e2021090

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©2021, Korean Society of Epidemiology

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — PRISMA (Preferred Report ing Items for Systematic Reviews and Meta-Analyses) flowchart. DSME, diabetes self-management education; DM, diabetes mellitus; RCT, randomized controlled trial.