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 noncommercial use, distribution, and reproduction in any medium, provided the… Click to show full abstract
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 noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited. *Corresponding Author: Seung-Won Oh https://orcid.org/0000-0003-3800-0754 Tel: +82-2-2112-5643, Fax: +82-2-2112-5635, E-mail: [email protected] https://doi.org/10.4082/kjfm.40.6E • Korean J Fam Med 2019;40:351-352
               
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