. 2019 Aug 31;43(4):524–529. doi: 10.5535/arm.2019.43.4.524
Copyright © 2019 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 non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.