1. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
2. Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
3. University of Kentucky Mental Health Research Center at Eastern State Hospital, Lexington, KY, USA
4. Psychiatry and Neurosciences Research Group (CTS-549), Institute of Neurosciences, University of Granada, Granada, Spain
5. Biomedical Research Centre in Mental Health Net (CIBERSAM), Santiago Apostol Hospital, University of the Basque Country, Vitoria, Spain