risque (3) association (3) gène (3) Social groups (3) Risk (3) Human beings (3) Pathogenesis (3) puits (2) analyse (2) variation génétique (2) génétique (2) Europe (2) ADN (2) enfant (2) Europe (2) Genetics (2) Genes (2) Tic disorders (2) Symptoms (2) Patients (2) Tourette syndrome (2) Genetics (2) Europe (2) DNA (2) Analysis (2) Patients (2) Number (2) Risk factors (2) jeunesse (1) monde (1)