1. Department of Neuropsychiatry; Keio University School of Medicine; Tokyo Japan
2. Schizophrenia Division, Complex Mental Illness Program; Centre for Addiction and Mental Health; Toronto ON Canada
3. Department of Psychiatry; Inokashira Hospital; Tokyo Japan
4. Geriatric Mental Health Program; Centre for Addiction and Mental Health; Toronto ON Canada
5. Department of Neuropsychiatry; Kawasaki Multiple Hospital; Kanagawa Japan