1. Department of Psychiatry, Jikei University School of Medicine, Tokyo, Japan
2. Asakayama Hospital, Sakai, Japan
3. Department of Psychiatry and Neuropathobiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
4. Department of Neuropsychiatry, Kochi Medical School, Kochi University, Kochi, Japan
5. Department of Neuropsychiatry, Neuroscience, Ehime University Graduate School of Medicine, Ehime, Japan
6. Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan