1. Department of Biomedical Engineering Case Western Reserve University 10900 Euclid Avenue Cleveland OH 44106 USA
2. Richard and Loan Hill Department of Biomedical Engineering University of Illinois at Chicago 909 S. Wolcott Ave. Chicago IL 60612 USA
3. Department of Orthopaedic Surgery Case Western Reserve University 10900 Euclid Avenue Cleveland OH 44106 USA
4. Departments of Mechanical and Industrial Engineering, Orthopaedics, and Pharmacology University of Illinois at Chicago 909 S. Wolcott Ave. Chicago IL 60612 USA