1. Interdisciplinary Program in Biomedical Engineering Major, Graduate School, Seoul National University
2. Biomedlab. Co., ltd., Seoul - Korea
3. Department of Thoracic & Cardiovascular Surgery, College of Medicine, Seoul National University
4. Department of Thoracic & Cardiovascular Surgery, College of Medicine, and Korea Artificial Organ Center, Korea University
5. Department of Biomedical Engineering, College of Medicine, and Insitute of Medical and Biological Engineering, Medical Research Center, Seoul National University, Seoul - Korea