1. Peking University Sixth Hospital/Institute of Mental Health, Beijing, China
2. National Clinical Research Center for Mental Disorders & Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, China
3. Department of Child and Adolescent Psychiatry, The University of Western Australia, Perth, Australia
4. Complex Attention and Hyperactivity Disorders Service, (CAHDS), Department of Health, Perth, Western Austrlia, Australia
5. School of Psychological Science, The University of Western Australia, Perth, Western Australia, Australia