Studie in Fachmagazin (2007): Cross-national prevalence and correlates of adult attention-deficit hyperactivity disorder; von Fayyad J., De Graaf R., Kessler R., Alonso J., Angermeyer M., Demyttenaere K., De Girolamo G., Haro J.M., Karam E.G., Lara C., Lépine J.-P., Ormel J., Posada-Villa J., Zaslavsky A.M., Jin R.