[1] Univ Groningen, Univ Med Ctr Groningen, Dept Epidemiol, Groningen, Netherlands
[2] Univ Groningen, Univ Med Ctr Groningen, Groningen Res Inst Asthma, Groningen, Netherlands
[3] Univ Groningen, Univ Med Ctr Groningen, COPD GRIAC, Groningen, Netherlands
[4] Univ Groningen, Univ Med Ctr Groningen, Dept Pulmonol, Groningen, Netherlands
[5] Univ London Imperial Coll Sci Technol & Med, Div Resp Sci, London, England
[6] Univ London Imperial Coll Sci Technol & Med, London, England
[7] Karolinska Inst, Inst Environm Med, S-10401 Stockholm, Sweden
[8] Univ Bristol, Sch Social & Community Med, ALSPAC, Bristol, Avon, England
[9] Karolinska Inst, Sachs Childrens Hosp, Stockholm, Sweden
[10] AstraZeneca R&D, Global Epidemiol, Molndal, Sweden
[11] Helmholtz Ctr Munich, Comprehens Pneumol Ctr CPC, Inst Lung Biol & Dis ILBD, Neuherberg, Germany
[12] Univ Bergen, Bergen Resp Res Grp, Inst Med, Bergen, Norway
[13] Haukeland Hosp, Dept Occupat Med, N-5021 Bergen, Norway
[14] Inserm U946, Genet Variat & Human Dis Unit, Paris, France
[15] Univ Paris Diderot, Sorbonne Paris Cite, Inst Univ Hematol, Paris, France
[16] CEPH, Fdn Jean Dausset, Paris, France
[17] CESP Ctr Res Epidemiol & Populat Hlth, Resp & Environm Epidemiol Team, Inserm U1018, Villejuif, France
[18] Univ Paris 11, UMRS 1018, Villejuif, France
[19] Inserm U823, Ctr Rech Albert Bonniot, La Tronche, France
[20] Univ Grenoble 1, Grenoble, France
[21] Univ Childrens Hosp, LMU Munich, Munich, Germany
[22] Swiss Trop & Publ Hlth Inst, Dept Epidemiol & Publ Hlth, Basel, Switzerland
[23] Univ Basel, Basel, Switzerland
[24] Univ Ulm, Inst Epidemiol & Med Biometry, D-89069 Ulm, Germany
[25] Univ Utrecht, Inst Risk Assessment Sci, Utrecht, Netherlands
[26] Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands
[27] Natl Inst Publ Hlth & Environm, Ctr Prevent & Hlth Serv Res, NL-3720 BA Bilthoven, Netherlands
[28] Russian Acad Med Sci, Res Inst Med Genet, Siberian Branch, Tomsk, Russia
[29] Siberian State Med Univ, Tomsk, Russia
[30] Univ British Columbia, James Hogg ICAPTURE Ctr, Vancouver, BC V5Z 1M9, Canada
[31] Univ British Columbia, Occupat & Environm Lung Dis Unit, Vancouver, BC V5Z 1M9, Canada
[32] Univ Manitoba, Winnipeg, MB, Canada
[33] Univ Alberta, Dept Pediat, Fac Med & Dent, Edmonton, AB, Canada
[34] Univ Alberta, Sch Publ Hlth, Edmonton, AB, Canada
[35] Charite, Pediat Pneumol,Expt & Clin Res Ctr, D-13353 Berlin, Germany
[36] Charite, D-13353 Berlin, Germany
[37] Charite, Inst Social Med Epidemiol & Hlth Econ, D-13353 Berlin, Germany
[38] Max Delbruck Ctr Mol Med, Berlin, Germany
[39] Univ Childrens Hosp Regensburg KUNO, Dept Paediat Pneumol & Allergy, Regensburg, Germany
[40] Univ Groningen, Univ Med Ctr Groningen, Dept Genet, Groningen, Netherlands
[41] Univ Oxford, Wellcome Trust Ctr Human Genet, Oxford, England
[42] Univ London, Div Populat Hlth Sci & Educ, London, England
[43] Univ Groningen, Univ Med Ctr Groningen, Beatrix Childrens Hosp, Dept Pediat Pulmonol & Pediat Allergol, Groningen, Netherlands