1. Department of Preventive Medicine Yonsei University College of Medicine Seoul Korea
2. Department of Internal Medicine Yonsei University College of Medicine Seoul Korea
3. Graduate School Yonsei University College of Medicine Seoul Korea
4. Big Data Steering Department National Health Insurance Service Wonju Korea
5. Department of Medicine University of Washington Seattle WA
6. Department of Epidemiology University of Washington Seattle WA
7. Division of Cardiology Severance Cardiovascular Hospital and Cardiovascular Research Institute Yonsei University College of Medicine Seoul Korea