1. Department of Adult Restorative Dentistry, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska; Department of Otolaryngology/Head and Neck Surgery, University of Nebraska Medical Center College of Medicine, Omaha, Nebraska and Department of Oral Biology, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska
2. Department of Adult Restorative Dentistry, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska and Department of Oral Biology, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska
3. Comparative Orthopedic Laboratory, University of Missouri, Columbia, Missouri
4. Department of Orthopedics, University of Nebraska Medical Center College of Medicine, Omaha, Nebraska
5. Department of Adult Restorative Dentistry, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska; Department of Otolaryngology/Head and Neck Surgery, University of Nebraska Medical Center College of Medicine, Omaha, Nebraska
6. Department of Oral Biology, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska and Department of Growth and Development, University of Nebraska Medical Center College of Dentistry, Lincoln, Nebraska