1. Department of Electrical Engineering, University of Virginia, Charlottesville, VA 22904-4743
2. Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030
3. Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT 06030; Department of Chemical, Materials and Biomolecular Engineering, University of Connecticut, Storrs, CT 06269