1. Biomedical Engineering Department, Northwestern University, Evanston, Illinois.
2. Department of Orthopaedic Surgery, NorthShore University HealthSystem, Evanston, Illinois.
3. Department of Surgery, Northwestern University, Chicago, Illinois.
4. Institute for BioNanotechnology in Medicine, Northwestern University, Chicago, Illinois.
5. Chemistry for Life Processes Institute, Northwestern University, Evanston, Illinois.