[1] London Sch Hyg & Trop Med, Fac Publ Hlth Policy, London, England
[2] Cordi Bright, London, England
[3] Simon Fraser Univ, Biomed Physiol & Kinesiol, Burnaby, BC, Canada
[4] Simon Fraser Univ, Morris J Wosk Ctr Dialogue, Burnaby, BC, Canada
[5] Univ Bergen, Syst Dynam Grp, Bergen, Norway
[6] Norwegian Inst Publ Hlth, Div Mental & Phys Hlth, Oslo, Norway
[7] Univ Oslo, Fac Med, Dept Nutr, Oslo, Norway
[8] Univ Colorado, Trauma Hlth & Hazards Ctr, Denver, CO USA
[9] Warsaw Sch Social Sci & Humanities, Warsaw, Poland
[10] World Canc Res Fund, London, England
[11] PRESS Save Children Youth Norway, Oslo, Norway
[12] Univ Bath, Dept Social & Policy Sci, Bath, England
[13] London Sch Hyg & Trop Med, Fac Publ Hlth Policy, 15-17 Tavistock Pl, London WC1H 9SH, England