1. Institute of Health and Environment, Seoul National University, Seoul 08826, Korea.
2. Department of Public Health, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea.
3. The Korean Dietetic Association, Seoul 07345, Korea.
4. Metabolic Syndrome Management Center of Seoul Metropolitan Government, Seoul 02751, Korea.
5. Health Care Policy Division, Citizen's Health Bureau, Seoul Metropolitan Government, Seoul 04524, Korea.
6. Department of Cardiology, Cardiovascular Center, Korea University Anam Hospital, Seoul 02841, Korea.