Funding for this research was provided by:
National Research Foundation of Korea (2019R1A2C1090146)
Published online: 2020-04-23
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Copyright: © 2020 The Korean Academy of Medical Sciences.
License: This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://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.