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1Department of Tuberculosis, Seobuk Hospital, Seoul, Korea
2Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
3Department of Epidemiology and Medical Informatics, Public Health Graduate School, Korea University, Seoul, Korea
4Gangdong Health Center, Seoul, Korea
5Korea Human Resource Development Institute for Health and Welfare, Cheongju, Korea
6Department of Food and Nutrition, Sookmyung Women’s University, Seoul, Korea
7Gangbuk Health Center, Seoul, Korea
©2016, Korean Society of Epidemiology
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