1. Biomedical Engineering, Tufts University, Medford, Massachusetts.
2. Department of Orthopaedic Surgery, University of Tennessee Health Science Center, Memphis, Tennessee.
3. Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, Republic of Korea.
4. Department of Molecular Science and Technology, Ajou University, Suwon, Republic of Korea.