1. Department of Biomedicine, Neurosciences and Advanced Diagnostics, Institute of Clinical Biochemistry, Clinical Molecular Medicine and Laboratory Medicine, University of Palermo, Palermo, Italy;
2. Unit of Neurology, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy;
3. Unit of Clinical Chemistry, Maggiore della Carità Hospital, Novara, Italy;
4. Department of Laboratory Medicine, AOUP “P. Giaccone”, Palermo, Italy