1. Department of Neuropsychiatry Wakayama Medical University Wakayama Japan
2. Department of Psychiatry Wakayama Prefectural Mental Health Care Center Aridagawa Japan
3. Department of Rheumatology and Clinical Immunology Wakayama Medical University Wakayama Japan
4. Department of Psychiatry Osaka University Graduate School of Medicine Suita Japan
5. Clinical Research and Education Center Asakayama General Hospital Sakai Japan
6. Graduate School of Rehabilitation Science Osaka Metropolitan University Habikino Japan