1. Department of Social and Preventive Medicine, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
2. Center for Molecular Medicine, Samsung Biomedical Research Institute, Seoul, Republic of Korea
3. Department of Preventive Medicine, Ewha Womans University School of Medicine, Seoul, Republic of Korea
4. Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea
5. Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea
6. Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Republic of Korea
7. Department of Occupational and Environmental Medicine, College of Medicine, Ulsan University, Ulsan, Republic of Korea
8. Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
9. Department of Food and Nutrition, Kyung Hee University College of Human Ecology, Seoul, Republic of Korea