1. Department of Biomedical Engineering, Hanyang University, Seoul, Korea.
2. Department of Orthopedic Surgery, College of Medicine, Hanyang University, Seoul, Korea.
3. Institute of Innovative Surgical Technology, Hanyang University, Seoul, Korea.
4. Center for Integration of Advanced Medicine Life Science Innovative Technologies, Department of Advanced Medical Initiatives, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka-shi, Fukuoka-ken 812-8582, Japan.