1. Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine
2. Department of Anesthesiology and Pain Medicine, Kwangdong University College of Medicine
3. Anesthesia and Pain Research Institute, Yonsei University College of Medicine
4. Cardiovascular Research Institute, Yonsei University College of Medicine
5. Department of Thoracic and Cardiovascular Surgery, Yonsei University College of Medicine
6. Severance Biomedical Science Institute, Yonsei University College of Medicine