1. Postgraduate Program in Dentistry, UNIGRANRIO University, School of Health Sciences, Duque de Caxias, RJ, Brazil.
2. Department of Biomaterials and Biomimetics, New York University, New York, NY.
3. Department of Oral Surgery and Diagnosis, Faculdade de Odontologia de Araraquara, UNESP, Araraquara, SP, Brazil.
4. Department of Prosthodontics, Tufts University School of Dental Medicine, Boston, Mass.
5. Department of Oral and Maxillofacial Surgery, Pontificia Universidade Catolica do Rio Grande Do Sul, Porto Alegre, RS, Brazil.
6. Department of Periodontology and Implant Dentistry, New York University College of Dentistry, New York, NY.