. 2008 Oct 31;49(5):698–704. doi: 10.3349/ymj.2008.49.5.698
Copyright © 2008 The Yonsei University College of Medicine
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 noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Table 1.
SociodemographicCharacteristics of Participants
