1. Department of Orthopaedics and Rehabilitation, The University of New Mexico Health Sciences Center, Albuquerque, New Mexico
2. Center for Biomedical Engineering, The University of New Mexico, Albuquerque, New Mexico
3. Department of Mechanical Engineering, The University of New Mexico, Albuquerque, New Mexico
4. Department of Biochemistry and Molecular Biology, The University of New Mexico, Albuquerque, New Mexico