○YasudaTomoko1,TakezakiToshiro2,NishimotoDaisaku2,3,IbusukiRie2 (1.School of Medicine, Faculty of Medicine, Kagoshima University, Kagoshima, Japan, 2.Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan, 3.School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan)