1. From the Department of Health Science (H.U., Y.K., T.K., T.O.), Shiga University of Medical Science, Otsu, Japan; the Department of Community Medicine (S.R.C.), School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia; the Department of Hygiene and Preventive Medicine (A.O.), School of Medicine, Iwate Medical University, Morioka, Japan; the Department of Environmental Medicine (T.H.), Shimane Medical University, Izumo, Japan; the Department of Epidemiology (M.M.), National...