. 2015 Sep 30;17(3):268–281. doi: 10.5853/jos.2015.17.3.268
Copyright © 2015 Korean Stroke 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/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.