Affiliation: | 1. Unit Scholar, Department of Biomedical and Neuromotorial Science, University of Bologna, Bologna, Italy;2. University of Berne, Berne, Switzerland;3. University of Zurich, Zurich, Switzerland;4. Department of Biomedical and Neuromotorial Science, University of Bologna, Bologna, Italy;5. UNESP ‐ S?o Paulo State University, Faculty of Dentistry of Ara?atuba (SP), Ara?atuba, Brazil;6. ARDEC, Ariminum Odontologica, Rimini, Italy |