1. Department of Orthodontics, University of North Carolina at Chapel Hill, North Carolina.
2. Department of Prosthodontics and Curriculum in Neurobiology, University of North Carolina at Chapel Hill, North Carolina.
3. Department of Mathematical Sciences, the University of Bath, Bath, England.
4. Speech-Language-Hearing Sciences and Disorders, Professor in the Program in Neuroscience and Human Biology, and Communication Neurosciences Laboratory, University of Kansas, Lawrence, Kansas.
5. Department of Plastic and Reconstructive Surgery, University of North Carolina School of Medicine, Chapel Hill, North Carolina.
6. Pediatric and Craniofacial Services, Department of Plastic and Reconstructive Surgery, University of North Carolina School of Medicine, Chapel Hill, North Carolina.