Nanako Tamiya* 1
, Li-Mei Chen* 2
, Yasuki Kobayashi* 3
, Mariko Kaneda* 4
and Eiji Yano* 5 
1Department of Health Services Research, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tenno-Dai, Tsukuba-Shi, Ibaraki, 305-8575, Japan
2School of Human Welfare Studies, Kwansei Gakuin University, 1-155 Ichiban-Cho, Uegahara, Nishinomiya-Shi, Hyogo, 662-8501, Japan
3Department of Public Health, University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-0033, Japan
4Arakawa City Office, Tokyo Metropolitan Government, 2-2-3 Arakawa, Arakawa-ku Tokyo, 116-8501, Japan
5Department of Public Health, School of Medicine, Teikyo University, 2-11-1 Kaga, Itabashi-Ku, Tokyo, 173-8605, Japan