| Affiliation: | 1. Cell Culture Laboratory, School of Dentistry of Ribeir?o Preto, University of S?o Paulo, Ribeir?o Preto, SP, Brazil;2. Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Alabama at Birmingham, South Birmingham, Alabama;3. Correspondence to: Marcio M. Beloti, Cell Culture Laboratory, School of Dentistry of Ribeir?o Preto, University of S?o Paulo, Av do Café s/n, 14040‐904 Ribeir?o Preto, SP, Brazil.;4. E‐mail:;5. Correspondence to: Mohammad Q. Hassan, Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Alabama at Birmingham, 1919 7th Avenue South, Birmingham, AL 35294.;6. E‐mail: |
