1. Department of Public Health, Yonsei University Graduate School, Seoul, Korea.
2. Cardiovascular and Metabolic Diseases Etiology Research Center, Yonsei University College of Medicine, Seoul, Korea.
3. National Academy of Agricultural Science, Rural Development Administration, Wanju, Korea.
4. Department of Medical and Pharmaceutical Affairs, Mapo-gu Health Center, Seoul, Korea.
5. Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea.