. 2016 Mar 23;13(2):196–202. doi: 10.4306/pi.2016.13.2.196
Copyright © 2016 Korean Neuropsychiatric Association
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.