1. Cardiovascular and Metabolic Disease Etiology Research Center, Yonsei University College of Medicine, Seoul, Korea.
2. Department of Public Health, Yonsei University Graduate School, Seoul, Korea.
3. Biometric Research Branch, National Cancer Center, Goyang, Korea.
4. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
5. Department of Orthopedics Surgery, Yonsei University College of Medicine, Seoul, Korea.
6. Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea.
7. Department of Medical Humanities and Social Medicines, Ajou University School of Medicine, Suwon, Korea.
8. Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea.