1. Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) Pohang Kyungbuk 37673 Korea
2. Department of Convergence IT Engineering POSTECH Pohang Kyungbuk 37673 Korea
3. Department of Orthopaedics Surgery and Musculoskeletal Medicine University of Otago Christchurch 8011 New Zealand
4. Medical Technologies Centre of Research Excellence (MedTech CoRE) Auckland 1010 New Zealand
5. School of Interdisciplinary Bioscience and Bioengineering POSTECH Pohang Kyungbuk 37673 Korea