[1] Univ London London Sch Hyg & Trop Med, Ctr Global NCDs, Keppel St, London WC1E 7HT, England
[2] Massey Univ, Ctr Publ Hlth Res, Wellington, New Zealand
[3] Massey Univ, Ctr Publ Hlth Res, Publ Hlth, Wellington, New Zealand
[4] Univ London London Sch Hyg & Trop Med, European Ctr Hlth Soc Transit ECOHOST, London WC1E 7HT, England
[5] Univ Fed Bahia, Inst Saude Colet, BR-41170290 Salvador, BA, Brazil
[6] Leverhulme Ctr Integrat Res Agr & Hlth, London, England
[7] Australian Natl Univ, Canberra, ACT, Australia
[8] Univ Peruana Cayetano Heredia, CRONICAS Ctr Excellence Chron Dis, Lima, Peru
[9] Monash Univ, SPHPM, Dept Epidemiol & Prevent Med, Melbourne, Vic 3004, Australia
[10] Univ Murcia, Arrixaca Univ Childrens Hosp, Resp Unit, E-30001 Murcia, Spain
[11] Univ Murcia, Arrixaca Univ Childrens Hosp, Allergy Unit, E-30001 Murcia, Spain
[12] IMIB Arrixaca Res Inst, Murcia, Spain
[13] Univ London London Sch Hyg & Trop Med, Dept Social & Environm Hlth Res, London WC1E 7HT, England
[14] Univ London Imperial Coll Sci Technol & Med, Sch Publ Hlth, MRC PHE Ctr Environm & Hlth, London, England