1. Department of Molecular Pathobiology New York University College of Dentistry New York New York USA
2. Department of Biomaterials School of Dentistry, Universidad de los Andes Santiago Chile
3. Advanced Program in Esthetic Dentistry SENAC University São Paulo Brazil
4. Department of Esthetic and Adhesive Dentistry Catholic University of Murcia Murcia Spain
5. Private Practice Atlanta Georgia USA
6. The Dental College of Georgia, Augusta University Augusta Georgia USA
7. Prosthodontics, School of Dental Medicine Boston University Boston Massachusetts USA
8. Comprehensive Dentistry University of Texas Health Science Center at San Antonio San Antonio Texas USA
9. Department of Cariology and Comprehensive Care New York University College of Dentistry New York New York USA