1. Department of Biomedical and Dental Sciences and Morphological and Functional Imaging - University of Messina, Messina, Italy
2. Anesthesia, Intensive Care and Pain Therapy, Policlinico “G. Martino” - University of Messina, Messina, Italy
3. School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, Messina, Italy
4. Pain Therapy Unit, Grande Ospedale Metropolitano “Bianchi-Melacrino-Morelli” - Reggio Calabria, Italy
5. IRCCS Centro Neurolesi Bonino- Pulejo, Messina, Italy