editorial . 2016 Mar 31;28(1):1–14. doi: 10.5371/hp.2016.28.1.1
Copyright © 2016 by Korean Hip 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 non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.