1. Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, Centre for Bioengineering & Nanomedicine, University of Otago, Christchurch 8011, New Zealand
2. Medical Technologies Centre of Research Excellence (MedTech CoRE), Auckland 1010, New Zealand
3. Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States