1. Department of Orthodontics, University of Florida College of Dentistry, Gainesville, FL 32610, USA
2. Laboratory of Oral Biology, Department of Dental Materials, School of Dentistry, University of São Paulo, 05508-900 São Paulo SP, Brazil
3. Department of Periodontology, University of Florida College of Dentistry, Gainesville, FL 32610, USA
4. Department of Oral & Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, FL 32610, USA
5. Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA