The investigators anticipate this study will provide the prevalence of a wide range of developmental and psychiatric disorders in children and our results will also provide a comprehensive risk factors for each psychiatric disorder identified in this study, including neurocognitive, developmental, familiar, and environmental factors. The individual, combined, and interactive effects of these predictors can be identified in this study. This study will definitely provide precious data for the government to develop a preventive program for mental disorders and a promotion program for mental health and well-being.