. 2015 Dec 23;7(1):12–17. doi: 10.1016/j.phrp.2015.12.009
Copyright © 2015 Korea Centers for Disease Control and Prevention. Published by Elsevier Korea LLC.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).