1. Psychiatry, Department of Integrated Medicine, Division of Internal Medicine, Osaka University Graduate School of Medicine, Suita-city, Osaka, Japan
2. Department of Psychiatry, Japan Labour Health and Welfare Organization Kansai Rousai Hospital, Amagasaki-city, Hyogo, Japan
3. Department of Psychiatry, National Hospital Organization Osaka National Hospital, Chuo-ku, Osaka-city, Osaka, Japan
4. Institute for Aging Brain and Cognitive Disorders, Hyogo Brain and Heart Center at Himeji, Himeji-city, Hyogo, Japan
5. Department of Psychiatry and Neuropathobiology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto-city, Kumamoto, Japan
6. Ohue Hospital, Asagoshi-cho, Asagoshi-city, Hyogo, Japan
7. Nishinomiya Kyoritsu Neurosurgical Hospital, Nishinomiya-city, Hyogo, Japan
8. Department of Neurosurgery, Kitano Hospital, Kita-ku, Osaka-city, Osaka, Japan
9. Department of Neurosurgery, Rakuwakai Otowa Hospital, Yamashina-ku, Kyoto-city, Kyoto, Japan