1. Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine
2. Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine
3. Center for Health Promotion, Samsung Medical Center, Sungkyunkwan University School of Medicine
4. Department of Emergency Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine
5. Statistics and Data Center, Research Institute for Future Medicine, Samsung Medical Center