1. Department of Psychiatry, The Jikei University School of Medicine , Tokyo , Japan
2. Department of Psychiatry, Gifu University Graduate School of Medicine , Gifu , Japan
3. Department of Pathology of Mental Diseases, National Institute of Mental Health, National Center of Neurology and Psychiatry , Kodaira , Japan
4. Life Grow Brilliant Mental Clinic, Medical Corporation Foster , Osaka , Japan
5. Department of Psychiatry, Osaka University, Graduate School of Medicine , Osaka , Japan
6. Community Health Care Organization Osaka Hospital , Osaka , Japan
7. Department of Neuropsychiatry, School of Medicine, Iwate Medical University , Iwate , Japan
8. Department of Psychiatry, Dokkyo Medical University School of Medicine , Mibu , Japan