1. Department of Child and Adolescent Psychiatry, Kohnodai Hospital, National Center for Global Health and Medicine, Chiba, Japan.
2. Department of Clinical psychology, Kohnodai Hospital, National Center for Global Health and Medicine, Chiba, Japan.
3. Clinical Center of Children's Mental Health, Kohnodai Hospital, National Center for Global Health and Medicine, Chiba, Japan.
4. Department of Social worker, Kohnodai Hospital, National Center for Global Health and Medicine, Chiba, Japan.
5. Department of Psychiatry and Behavioral Science, Tokyo Medical and Dental University Graduate School, Tokyo, Japan.