1. Department of Psychiatry; Nagoya University Graduate School of Medicine; Nagoya Japan
2. Department of Psychiatry and Psychosomatic Medicine; Tokyo Shinjuku Medical Center; Tokyo Japan
3. Department of Neuropsychiatry; Kansai Medical University; Osaka Japan
4. National Center of Neurology and Psychiatry; Tokyo Japan
5. Otsuka Pharmaceutical Co., Ltd; Tokyo Japan
6. International University of Health and Welfare; Otawara Japan