. 2013 Dec 31;19(4):314–323. doi: 10.4258/hir.2013.19.4.314
© 2013 The Korean Society of Medical Informatics
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.