1. Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
2. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
3. Medical Research Center, Pusan National University School of Medicine, Yangsan, Korea
4. Department of Laboratory Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
5. Department of Electronic Engineering, Pusan National University, Busan, Korea