1 Department of Orthopaedic Surgery & Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, Memphis, TN, USA.
2 University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA.
3 Orthopedic & Neurosurgical Specialists, ONS Foundation, Greenwich, CT, USA.
4 Department of Orthopaedic Surgery & Biomedical Engineering, University of Tennessee Health Science Center-Campbell Clinic, Memphis, TN, USA. Electronic address: [email protected].