- Prevalence of diabetes, metabolic syndrome and metabolic abnormalities in schizophrenia over the course of the illness: a cross-sectional study. De Hert, M., van Winkel, R., Van Eyck, D., Hanssens, L., Wampers, M., Scheen, A., Peuskens, J. Clinical practice and epidemiology in mental health [electronic resource] : CP & EMH. (2006)