1. Tokiwa Child Development Center; Tokiwa Hospital; Sapporo Japan
2. Department of Neuropsychiatry; Sapporo Medical University, School of Medicine; Sapporo Japan
3. Mental Health and Neurosciences Division; VA Portland Health Care System; Portland USA
4. Department of Psychiatry, School of Medicine; Oregon Health & Science University; Portland USA
5. Miki Mental Clinic; Hokujinkai Medical Corporation; Sapporo Japan
6. Department of Neuropsychiatry; Graduate School of Medical Sciences Kyushu University; Fukuoka Japan