1. Division of Endocrinology, Endocrine Research Institute, Department of Internal Medicine Yonsei University College of Medicine Seoul South Korea
2. Yonsei University Graduate School of Medicine Seoul South Korea
3. Division of Geriatrics, Department of Internal Medicine, Severance Hospital Yonsei University College of Medicine Seoul South Korea
4. Department of Preventive Medicine Yonsei University College of Medicine Seoul South Korea
5. Department of Radiology Yonsei University College of Medicine Seoul South Korea
6. Department of Biomedical Systems Informatics Yonsei University College of Medicine Seoul South Korea