1. Department of Anesthesiology and Pain Medicine Korea University College of Medicine Seoul South Korea
2. Division of Infectious Diseases, Department of Internal Medicine Korea University College of Medicine Seoul South Korea
3. Bloodless Medicine Center Korea University Anam Hospital Seoul South Korea
4. Department of Obstetrics and Gynecology Korea University College of Medicine Seoul South Korea
5. Department of Thoracic and Cardiovascular Surgery Korea University College of Medicine Seoul South Korea
6. Department of Orthopedic Surgery Korea University College of Medicine Seoul South Korea