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