1. From Public Health (H. Iso), Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, Osaka-fu, Japan; The Osaka Medical Center for Health Science and Promotion (S.S., A.K., H. Imano, M.K.), Osaka, Japan; Department of Public Health Medicine (K.Y., R.C., T.T.), Majors of Social and Environmental Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba-shi, Ibaraki-ken, Japan.