. 2017 Sep 29;19(3):277–285. doi: 10.5853/jos.2017.02054
Copyright © 2017 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/4.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.