1. Department of Pharmacology and Human Physiology – TIRES – Center for Innovative Technologies for Signal Detection and Processing, University of Bari, Italy
2. School of Advanced International Studies for Applied Theoretical and Non Linear Methodologies of Physics, Bari, Italy
3. International Center for Mathematical Modeling in Physics and Cognitive Sciences, MSI, University of Växjö, S–35195, Sweden
4. Department of Neurological and Psychiatric Sciences, University of Bari, Italy
5. Department of Mental Health, University of Foggia, Italy
6. Department of Molecular Biophysics and Physiology, Rush University Medical Center, 1653 W, Congress, Chicago, IL 60612, USA