9:00 AM - 9:15 AM
*Tatsuya Miyashita1, Atsushi Kimura2, Yutaka Yamamura3, Takashi Oka4 (1. Graduate School of Literature and Social Sciences, Nihon University, 2. College of Risk Management, Nihon University, 3. The Faculty of Education, Teikyo University, 4. College of Humanities and Sciences, Nihon University )