1. Department of Neuropsychiatry, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Fukuoka, Japan
2. Department of Environmental Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Fukuoka, Japan
3. Department of Healthcare Management, College of Healthcare Management, 960-4 Takayanagi, Setaka-machi, Miyama 835-0018, Fukuoka, Japan
4. Mental Health and Welfare Center of Shizuoka Prefectural Government, 2-20 Ariake-cho, Suruga-ku, Shizuoka-shi 422-8031, Shizuoka, Japan
5. Fuji Medical Association, 2850 Denbo, Fuji 417-0061, Shizuoka, Japan
6. Shizuoka General Hospital, 4-27-1 Kitaando, Aoi-ku, Shizuoka-shi 420-8527, Shizuoka, Japan