. 2018 Apr 30;42(2):229–238. doi: 10.5535/arm.2018.42.2.229
Copyright © 2018 by Korean Academy of Rehabilitation Medicine
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.