title: European Multicenter Tics in Children Studies (EMTICS): exploring the onset and course of tic disorders.
authors.forename: Veit
authors.initials: V
authors.lastname: Roessner
authors.forename: Pieter J
authors.initials: PJ
authors.lastname: Hoekstra
mesh_terms: D002648:Child; D018450:Disease Progression; D006801:Humans; D013981:Tic Disorders / Q000175:diagnosis*