1. Section of Pathology, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
2. Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
3. Department of Pathology, UZ Genk Regional Hospital, Genk, Belgium
4. Department of Radiology, Azienda Ospedaliero Universitaria (A.O.U.), Cagliari, Italy
5. Section of Psychiatry, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy