1 Department of Medicine, Surgery and Dentistry "Schola Medica Salernitana", University of Salerno, Baronissi (Salerno), Italy.
2 Complex Operating Unit of Odontostomatology, Head and Neck Clinical Department, Azienda Ospedaliero-Universitaria San Giovanni di Dio e Ruggi d'Aragona, Salerno, Italy.
3 Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialities, University of Campania "Luigi Vanvitelli", Naples, Italy.
4 Department of Neuroscience, Reproductive Science and Dentistry, University of Naples Federico II, Naples, Italy.