1. Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
2. Arthur and Sonia Labatt Brain Tumour Research Centre, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
3. Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
4. Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
5. Division of Orthopaedic Surgery, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
6. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 3G4, Canada
7. Department of Computer Science, University of Toronto, Toronto, ON M5S 3G4, Canada
8. Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada