1. Department of Neurosciences, Mental Health and Sensory Organs; Suicide Prevention Center; Sant'Andrea Hospital; Sapienza University of Rome; Rome; Italy
2. Department of Clinical and Theoretical Mental Health; Kútvölgyi Clinical Center; Semmelweis University; Budapest; Hungary
3. Mount Sinai School of Medicine and James J. Peters Veterans’ Administration Medical Center; New York; NY; USA
4. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health; Section of Psychiatry; University of Genova; Genova; Italy