1. Department of Mental Health, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
2. Research Institute of Nursing Care for People and Community, University of Hyogo, Akashi City, Hyogo, Japan
3. Department of Neuropsychiatry, NTT Medical Center Tokyo, Shinagawa-ku, Tokyo, Japan
4. Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima City, Fukushima, Japan
5. Department of Public Health, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan
6. Department of Neuropsychiatry, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan
7. Department of Mental Health Policy, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
8. Stony Brook University, Stony Brook, NY, USA