Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Steinhausen, Hans-Christoph; Nøvik, Torunn Stene; Baldursson, Gisli; Curatolo, Paolo; Lorenzo, Maria J; Rodrigues Pereira, Rob; Ralston, Stephen J; Rothenberger, Aribert (2006). Co-existing psychiatric problems in ADHD in the ADORE cohort. European Child & Adolescent Psychiatry, 15(S1):i25-i29.