1 Department of Psychiatry, Department of Psychiatry, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-1192, Japan. tarok@fujita-hu.ac.jp.
2 Department of Communication Sciences and Disorders, School of Applied Sciences, University of Mississippi, University, MS, 38677, USA.
3 Department of Psychiatry, Department of Psychiatry, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-1192, Japan.
4 Department of Psychiatry, National Center Hospital, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8551, Japan.