Epidemiology and Psychiatric Sciences is an international, peer-reviewed journal published quarterly. It provides updated data and scientific information to epidemiologists, psychiatrists, psychologists, statisticians and other research and mental health workers primarily concerned with public health and epidemiological and social psychiatry. Formerly published as Epidemiologia e Psichiatria Sociale, established in 1992 by Michele Tansella, the journal gives priority to original research and systematic reviews about mental health service research, aimed at improving the quality of everyday practice.