1. Department of Orthopaedic Surgery and
2. Department of Dermatology, I-dermatology clinic, Seoul;
3. Department of Radiology, Konkuk University School of Medicine, Seoul;
4. Department of Orthopaedic Surgery, Kyungpook National University College of Medicine, Daegu, Korea;
5. Department of Orthopaedic Surgery, Myungji Hospital, Goyang;
6. Department of Orthopaedic Surgery, Kangwon National University College of Medicine, Chuncheon, Korea;
7. Department of Othopaedic Surgery, National Police Hospital, Seoul;
8. Department of Orthopaedic Surgery, Catholic University College of Medicine, Seoul, St Mary’s Hospital, Seoul, Korea;
9. Department of Orthopaedic Surgery, Dong-A University College of Medicine, Pusan;
10. Center for Bionics, Korea Institute of Science and Technology, Seoul, Korea