Department of Public Health and Health Policy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami ku, Hiroshima 734-8553, Japan
Dr. Tatsuhiko Kubo
Department of Public Health and Health Policy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami ku, Hiroshima 734-8553, Japan