1 Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.
2 Section of Psychiatry, Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy.
3 IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
4 Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy.