[1] Univ Bristol, Dept Social Med, Bristol, Avon, England
[2] UCL, MRC, Unit Lifelong Hlth & Ageing, London, England
[3] UCL, Div Populat Hlth, London, England
[4] Univ Southampton, MRC, Lifecourse Epidemiol Unit, Southampton, Hants, England
[5] Queens Univ, Dept Community Hlth & Epidemiol, Kingston, ON, Canada
[6] Cardiff Univ, Dept Primary Care & Publ Hlth, Ctr Hlth Sci Res, Cardiff, S Glam, Wales
[7] Univ So Denmark, Inst Publ Hlth, Danish Twin Registry, Odense, Denmark
[8] Univ So Denmark, Inst Publ Hlth, Danish Aging Res Ctr, Odense, Denmark
[9] Seoul Natl Univ, Sch Publ Hlth, Dept Epidemiol, Seoul, South Korea
[10] Seoul Natl Univ, Inst Hlth & Environm, Seoul, South Korea
[11] Univ Oxford, Natl Inst Hlth, Oxford, England
[12] Univ Oxford, Res Musculoskeletal Biomed Res Unit, Oxford, England
[13] Univ Edinburgh, Dept Psychol, Edinburgh, Midlothian, Scotland
[14] Univ Edinburgh, Ctr Cognit Ageing & Cognit Epidemiol, Edinburgh, Midlothian, Scotland
[15] Univ Aberdeen, Inst Appl Hlth Sci, Aberdeen, Scotland
[16] Univ Aberdeen, Rowett Inst Nutr & Hlth, Aberdeen, Scotland
[17] UCL, Dept Epidemiol & Publ Hlth, London, England
[18] Univ London London Sch Hyg & Trop Med, Dept Noncommunicable Dis Epidemiol, London WC1E 7HT, England
[19] Arizona State Univ, Sch Social & Family Dynam, Tempe, AZ USA
[20] Karolinska Inst, Div Occupat & Environm Med, Dept Publ Hlth Sci, Stockholm, Sweden
[21] Harvard Univ, Sch Publ Hlth, Dept Soc Human Dev & Hlth, Boston, MA 02115 USA
[22] Univ Fed Minas Gerais, Dept Econ, Belo Horizonte, MG, Brazil
[23] Glostrup Univ Hosp, Res Ctr Prevent & Hlth, Glostrup, Denmark
[24] Univ Wisconsin, Ctr Demog & Ecol, Madison, WI 53706 USA
[25] Univ Hosp Ctr, Inst Social & Prevent Med, Lausanne, Switzerland
[26] Univ Lausanne, Lausanne, Switzerland
[27] Univ Edinburgh, Dept Geriatr Med, Edinburgh, Midlothian, Scotland
[28] Univ Michigan, Inst Social Res, Ann Arbor, MI USA
[29] Univ Montreal, Dept Med Sociale & Prevent, Montreal, PQ, Canada