1. Department of Biomedical Engineering Columbia University in the City of New York New York NY 10027 USA
2. Centre for Bioengineering School of Engineering and Materials Science Queen Mary University of London London E1 4NS UK
3. Department of Mechanical Engineering and INSIGNEO Institute for in silico Medicine University of Sheffield Sheffield S1 3JD UK
4. Centre for Predictive in vitro Models Queen Mary University of London London E1 4NS UK
5. Barts Cancer Institute School of Medicine and Dentistry Queen Mary University of London London EC1M 6AU UK
6. Department of Orthopaedic Surgery Perelman School of Medicine University of Pennsylvania Philadelphia PA 19104 USA