1. Department of Basic Medical Science; Neuroscience and Sense Organs; University of Bari; Bari Italy
2. Department of Clinical Research in Neurology; Unit of Neurodegenerative Diseases; University of Bari, c/o Pia Fondazione Card. G. Panico; Tricase (Lecce) Italy
3. Unit of Biostatistics; IRCCS ‘Casa Sollievo della Sofferenza’ Hospital; San Giovanni Rotondo; Italy