1. Department of Clinical and Experimental Medicine, University of Foggia , Foggia , Italy
2. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana,” University of Salerno , Via Allende, 84081 , Baronissi (SA) , Italy
3. ENT Department, University of Verona , 37100 , Verona , Italy
4. Clinical Pathology Unit, AOU Policlinico Consorziale di Bari - Ospedale Giovanni XXIII , 70124 , Bari , Italy
5. Department of Maxillofacial Surgery, University of Udine, Academic Hospital “Santa Maria della Misericordia,” , 33100 , Udine , Italy
6. Department of Interdisciplinary Medicine, Microbiology and Virology Laboratory, University Hospital of Bari, Università degli Studi di Bari , 70124 , Bari , Italy
7. Department of Dental and Maxillary Facial Sciences, “Sapienza” University of Rome , 00185 , Rome , Italy
8. Nuclear Medicine Unit, IRCCS Regional Cancer Hospital CROB, Referral Cancer Center of Basilicata , 85028 , Potenza , Italy