1. Department of Psychiatry, Dokkyo Medical University, School of Medicine, Tochigi, Japan
2. The Japanese Society of Clinical Neuropsychopharmacology, Tokyo, Japan
3. The Japanese Association of Neuro-Psychiatric Clinics, Tokyo, Japan
4. Department of Neuropsychiatry, Kansai Medical University, Hirakata, Japan
5. Department of Psychiatry, University of Occupational and Environmental Health, Kitakyushu, Japan
6. Department of Neuropsychiatry, Keio University School of Medicine, Minato, Japan
7. Department of Neuropsychiatry, Kyorin University School of Medicine, Mitaka, Japan