1. Department of Clinical Epidemiology, Translational Medical Center, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
2. Department of Psychiatry, Dokkyo Medical University School of Medicine, Mibu, Tochigi, Japan
3. Department of Neuropsychiatry, Hirosaki University School of Medicine, Hirosaki, Aomori, Japan
4. Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
5. Department of Preventive Intervention for Psychiatric Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan