1. Department of Radiology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, College of Medicine, Pusan National University, Yangsan, Korea.
2. Pusan National University, Institute for Research and Industry Cooperation, Busan, Korea.
3. Department of Radiology, Biomedical Research Institute, Pusan National University Hospital, College of Medicine, Pusan National University, Busan, Korea.