1. Department of Prosthodontics and Periodontics, Division of Periodontics, Piracicaba Dental School State University of Campinas São Paulo Brazil
2. Division of Biosciences, College of Dentistry The Ohio State University Columbus OH
3. Faculty of Dentistry N. Sra. do Patrocínio University Center Itu São Paulo Brazil
4. National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) National Institutes of Health (NIH) Bethesda MD
5. Department of Dental Materials São Leopoldo Mandic Research Center, Campinas São Paulo Brazil
6. São Leopoldo Mandic Research Center Campinas São Paulo Brazil