Os, J. van

study experience psychosi cannabi group cannabis use schizophrenia disorder patient psychiatry factor score problem van os j association level population research adolescent psychopathology health sample model interaction trauma case registers outcome dimension control subdimension symptom psychosis phenotype hallucinations service university measure distress effect sibling table result frequency grandiosity evidence delusion risk factors prevalence register paranoia class myin-germeys i trajectorie correlation genotype subscale report belief subclinical netherland adolescence winkel healthcare erasmus universiteit rotterdam lifetime development pattern number department psychiatr liability children analysis assessment predisposition phenotype signi participant schizophr cape score childhood