1 Interdepartmental Centre for research on Personality Disorders. Department of Applied and Behavioural Health Sciences, Section of Psychiatry, University of Pavia, Pavia, Italy.
2 Department of Medical and Morphological Research, Section of Statistics, University of Udine, Udine, Italy.
3 Psychosis Clinical Academic Group, Section of Neurobiology of Psychosis, Institute of Psychiatry, King's College London, London, UK.
4 Service of Radiology, IRCCS Policlinico San Matteo, Pavia, Italy.