1. Resident, Department of Orthodontics, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.
2. Dental Student, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.
3. Professor and Chair, Department of Orthodontics, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.
4. Professor, Department of General Dentistry, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.
5. Professor, Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA.