Psychopathological screening of children with ADHD: Strengths and difficulties questionnaire in a pan-European study

Andreas Becker, Hans Christoph Steinhausen, Gisli Baldursson, Sören Dalsgaard, Maria J. Lorenzo, Stephen J. Ralston, Manfred Döpfner, Aribert Rothenberger, D. Coghill, P. Curatolo, B. Falissard, A. Hervas, M. F. Le Heuzey, T. S. Nøvik, R. R. Pereira, U. Preuss, P. Rasmussen, A. W. Riley, G. Spiel, L. Vlasveld