. 2022 Jan 4;9:810173. doi: 10.3389/fped.2021.810173
Copyright © 2022 Choe, Choi, Song, Jang, Choi, Yi, Hong, Hwang, Cho, Kim, Choe and Kang.
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Figure 1.
Map of South Korea and the Daegu-Kyungpook province.