1. Departament of Dentistry, Federal University of Sergipe, Sergipe, Brazil.
2. Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, Brazil.
3. Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Noord-Holland, The Netherlands.
4. Department of Neurosciences, Reproductive and Odontostomatological Sciences, School of Dentistry, University of Naples Federico II, Naples, Italy.
5. Department of Pediatric and Social Dentistry, São Paulo State University (Unesp), Institute of Science and Technology, São José dos Campos, Brazil.