. 2011 Dec 31;17(4):260–266. doi: 10.4258/hir.2011.17.4.260
© 2011 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 1.
Characteristics of sample
