1. Department of Psychiatry Yamagata University School of Medicine Yamagata Japan
2. Graduate School of Health Sciences Hirosaki University Hirosaki Japan
3. Department of Neuropsychiatry, Aizu Medical Center Fukushima Medical University Aizuwakamatsu Japan
4. Department of Behavioral Neurology and Cognitive Neuroscience Tohoku University Graduate School of Medicine Sendai Japan
5. Department of Social Medicine Hirosaki University Graduate School of Medicine Hirosaki Japan