1. Extremity Trauma and Regenerative Medicine Task Area, United States Army Institute of Surgical Research, Fort Sam Houston, Texas.
2. Department of Biomedical Engineering, The University of Texas at San Antonio, San Antonio, Texas.
3. College of Dentistry, Chosun University, Gwangju, Republic of Korea.
4. Institute for Biomaterials Research & Development, Kyungpook National University, Daegu, Republic of Korea.
5. Department of Orthopaedic Surgery, Columbia University Medical Center, New York, New York.