1. Division of Pediatric Dentistry School of Dentistry, Cleft Palate and Craniofacial Clinic, University of Minnesota, Minneapolis, MN
2. NIDCR's TMJ Implant Registry and Repository, School of Dentistry University of Minnesota, Minneapolis, MN
3. American Fork, UT, USA
4. Department of Hospital Dentistry, University of Nebraska Medical Center, Omaha, NE, USA
5. Division of Medical Genetics and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR USA