. 2014 Oct 31;20(4):304–312. doi: 10.4258/hir.2014.20.4.304
© 2014 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.
Table 2.
Subject characteristics
