. 2014 May 30;29(6):811–817. doi: 10.3346/jkms.2014.29.6.811
© 2014 The Korean Academy of Medical Sciences.
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 the studies selected for analysis
