. 2021 Jan 28;64(10):538–542. doi: 10.3345/cep.2020.01956
Copyright © 2021 by The Korean Pediatric Society
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 1.
Flow chart of the literature review and selection process.