1. Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.
2. Department of Rehabilitation Medicine, Pusan National University School of Medicine, Yangsan, Korea.
3. Department of Urology, Pusan National University School of Medicine, Yangsan, Korea.
4. Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea.