[1] Sodertorn Univ, Stockholm Ctr Hlth & Social Change SCOHOST, Huddinge, Sweden
[2] Kyoto Univ, Grad Sch Med, Dept Social Epidemiol, Kyoto, Japan
[3] Kyoto Univ, Sch Publ Hlth, Kyoto, Japan
[4] Natl Ctr Global Hlth & Med, Ctr Clin Sci, Dept Epidemiol & Prevent, Tokyo, Japan
[5] Kyoto Univ, Inst Future Human Soc, Kyoto, Japan
[6] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Oral Hlth Promot, Tokyo, Japan
[7] London Sch Hyg & Trop Med, Dept Hlth Serv Res & Policy, London, England