1Graduate School of Public Health, Korea University, Seoul, Korea.
2Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea.
3Department of North Korean Studies, Ewha Womans University, Seoul, Korea.
4Korea Institute for Health and Social Affairs, Seoul, Korea.
5Department of Preventive Medicine, Konyang University College of Medicine, Daejeon, Korea.
6Department of Economics, Korea University, Seoul, Korea.
7School of Social and Behavioral Health Sciences, Oregon State University, Oregon, OR, USA.
Copyright © 2013 The Korean Society for Preventive Medicine
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