1. Department of Basic Medical Sciences, Neurosciences, and Sense Organs, Neurodegenerative Disease Unit, University of Bari ‘Aldo Moro’, Piazza Giulio Cesare 11, 70100, Bari, Italy
2. Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
3. National Institute of Gastroenterology ‘Saverio de Bellis’, Research Hospital, Castellana Grotte Bari, Italy
4. Istituti Clinici Scientifici Maugeri SPA SB, IRCCS, Institute of Cassano Murge, Bari, Italy
5. Interdisciplinary Department of Medicine (DIM), Section of Dentistry, University of Bari Aldo Moro, Bari, Italy
6. Psychiatric Unit, Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
7. Department of Prosthodontics, Section of Dentistry, University of Catania, Catania, Italy
8. Geriatric Unit, Fondazione IRCCS ‘Casa Sollievo della Sofferenza’, San Giovanni Rotondo, Foggia, Italy
9. Institute of Neurology, Catholic University of Sacred Heart, Rome, Italy
10. Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
11. Otolaryngology Unit, University of Bari Aldo Moro, Bari, Italy
12. Neurodegenerative Disease Unit, Department of Clinical Research in Neurology, University of Bari Aldo Moro, ‘Pia Fondazione Cardinale G. Panico’, Tricase, Lecce, Italy