1. Department of Biomedical and Dental Sciences, Morphological and Functional Images, University of Messina, 98100 ME, Italy
2. Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania “Luigi Vanvitelli”, 80100 Napoli, Italy
3. Clinical Analysis Laboratory “Dott. Francesco Siracusa Rizzi s.r.l.”, Via Nazionale Archi, 89121 RC, Italy
4. Unit of Microbiology and Virology, North Health Center ASP 5, Reggio Calabria 89100, Italy
5. Department of Conservative, Faculty of Dental Medicine, University of Medicine of Tirana, Tirana, Albania
6. Department of Maxillofacial Surgery, Loma Linda University, Loma Linda, CA 92354, USA
7. Institute of Dentistry, I.M. Sechenov First Moscow State Medical University, Moscow 119146, Russia
8. Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, 80131 Napoli, Italy