1. Nova Southeastern University Fort Lauderdale FL USA
2. Department of Periodontology University of Florida College of Dentistry Gainesville FL USA
3. Department of Dentistry Federal University of Jequitinhonha and Mucuri Valleys Diamantina Minas Gerais Brazil
4. Department of Preventive Medicine and Population Health Office of Biostatistics, University of Texas Medical Branch Galveston TX USA
5. Division of Periodontology and Center for Oral Health Research College of Dentistry University of Kentucky Lexington KY USA
6. Department of Oral Biology University of Florida College of Dentistry Gainesville FL USA
7. Division of Oral and Craniofacial Health Sciences University of North Carolina Adams School of Dentistry Chapel Hill NC USA
8. Department of Periodontology University of Connecticut Health Center Farmington CT USA