[1] Univ Udine, Dept Pathol & Expt & Clin Med, Sect Psychiat, I-33100 Udine, Italy
[2] Univ Udine, InterUniv Ctr Behav Neurosci, Verona Udine Brain Imaging Program, I-33100 Udine, Italy
[3] Univ Texas, Hlth Sci Ctr, Dept Psychiat, Div Schizophrenia & Related Disorders, San Antonio, TX 78284 USA
[4] Univ Texas, Hlth Sci Ctr, Div Mood & Anxiety Disorders, San Antonio, TX 78284 USA
[5] Audie L Murphy Div, S Texas Vet Hlth Care Syst, San Antonio, TX USA