1. University of Bari “Aldo Moro,” Dipartimento Interdisciplinare di Medicina, Sezione Malattie Odontostomatologiche–Policlinico di Bari, Piazza Giulio Cesare, 11- 70124 Bari, Italy
2. Second University of Naples, Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties; Via L. De Crecchio, 6 80138 Naples, Italy
3. University “La Sapienza” of Rome, Department of Oral and Maxillo Facial Sciences, Via Caserta, Rome, Italy
4. University of Milano Bicocca, Department of Neuroscience and Biomedical Technologies, Via Cadore, 48, Monza, Italy