1. Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, D02 R590, Ireland
2. Department of Mechanical, Manufacturing, & Biomedical Engineering, School of Engineering, Trinity College Dublin, Dublin, D02 R590, Ireland
3. Advanced Materials & Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland & Trinity College Dublin, Dublin, D02 F6N2, Ireland
4. Orthopaedics & Sports Medicine, Trinity College Dublin, Dublin, D02 R590, Ireland
5. Institute for Medical Engineering & Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
6. Department of Medicine, Division of Engineering in Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
7. Department of Anatomy, Royal College of Surgeons in Ireland, Dublin, D02 YN77, Ireland