1. Department of Preventive Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
2. Department of Humanities and Social Medicine, Ajou University School of Medicine, Suwon, Korea.
3. Institute of Genomic Cohort, Yonsei University, Wonju, Korea.
4. Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.