Cognitive and Clinical Psychology Laboratory, Department of Human Science, European University of Rome, Via degli Aldobrandeschi 190, 00163 Roma, Italy. Psychiatric Chair, Department of Systems Medicine, University of Rome "Tor Vergata", Via Cracovia, 50, 00133 Roma, Italy. Bariatric Surgery Unit, Department of Experimental Medicine and Surgery, University of Rome "Tor Vergata", Via Cracovia, 50, 00133 Roma, Italy. IRCCS Fondazione Santa Lucia, Via Ardeatina 306, 00179 Roma, Italy.