[1] Univ Naples Federico II, Dept Neurosci Reprod Sci & Dent, Naples, Italy
[2] Univ Foggia, Dept Clin & Expt Med, Foggia, Italy
[3] Univ Insubria, ASST Sette Laghi, Dept Med & Surg, Unit Oral Med & Pathol, Varese, Italy
[4] Univ Campania Luigi Vanvitelli, Multidisciplinary Dept Med Surg & Dent Specialties, Naples, Italy
[5] Univ Bologna, Dept Biomed & Neuromotor Sci, Sect Oral Sci, Bologna, Italy
[6] Univ Pisa, Dept Surg Pathol Med Mol & Crit Area, Pisa, Italy
[7] Univ Milan, Dept Biomed Surg & Dent Sci, Milan, Italy
[8] Magna Graecia Univ Catanzaro, Dept Hlth Sci, Catanzaro, Italy
[9] Univ Turin, CIR Dent Sch, Dept Surg Sci, Oral Med Sect, Turin, Italy
[10] Univ Parma, Univ Ctr Dent, Dept Med & Surg, Oral Med & Laser Surg Unit, Parma, Italy
[11] Univ Brescia, Dept Med & Surg Special, Radiol Sci & Publ Hlth, Brescia, Italy
[12] Univ Palermo, Dept Surg Oncol & Oral Sci, Palermo, Italy
[13] Univ Milan, Fdn IRCCS Ca Granda Osped Maggiore Policlin, Dept Biomed Surg & Dent Sci, Maxillo Facial & Dent Unit, Milan, Italy
[14] Univ Turin, Dept Oncol, Oral Med & Oral Oncol Unit, Turin, Italy
[15] Univ Trieste, Dept Med Surg & Hlth Sci, Trieste, Italy
[16] Ca Foncello Hosp, Unit Oral & Maxillofacial Surg, Treviso, Italy
[17] Univ Roma La Sapienza, Dept Oral Sci & Maxillofacial Surg, Rome, Italy
[18] Univ Cattolica Sacro Cuore, Fdn Policlin Univ A Gemelli IRCCS, Sch Dent, Head & Neck Dept, Rome, Italy
[19] Univ Federico II Naples, Dept Econ & Stat, Naples, Italy
[20] Univ Federico II Naples, Dept Social Sci, Naples, Italy