1. Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, Quebec H3A 0C3, Canada
2. Department of Surgery, McGill University, 1650 Cedar Avenue, Montreal, Quebec H3G 1A3, Canada
3. Shriners Hospital for Children, 1003 Decarie Blvd, Montreal, Montreal, Quebec H4A 0A9, Canada
4. Department of Biomedical Engineering, McGill University, 3775 Rue University, Montreal, Quebec H3A 2B4, Canada