1. From the Department of Public Health Medicine (M.U., H.I.), Doctoral Program in Social and Environmental Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Japan; Department of Social and Environmental Medicine (H.I.), Graduate School of Medicine, Osaka University, Japan; Department of Food Sciences and Nutrition (C.D.), Faculty of Human Life and Environment, Nara Women’s University, Kitauoyanishi-machi, Japan; Infectious Disease Research Division (A.Y., T.K.), Hyogo...