1. Department of Bioengineering, University of California, Los Angeles, California.
2. Dental and Craniofacial Research Institute, University of California, Los Angeles, California.
3. Division of Advanced Prosthodontics, Biomaterials, and Hospital Dentistry, School of Dentistry, University of California, Los Angeles, California.
4. UCLA and Orthopaedic Hospital, Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, University of California, Los Angeles, California.
5. Section of Orthodontics, School of Dentistry, University of California, Los Angeles, California.