[1] Wellcome Sanger Inst, Cambridge, England
[2] Univ Cote Azur, CNRS, IPMC, Sophia Antipolis, France
[3] Univ Groningen, Univ Med Ctr Groningen, Dept Pathol & Med Biol, Groningen, Netherlands
[4] Univ Groningen, Univ Med Ctr Groningen, Groningen Res Inst Asthma, Groningen, Netherlands
[5] Univ Groningen, Univ Med Ctr Groningen, COPD, Groningen, Netherlands
[6] Newcastle Univ, Fac Med Sci, Biosci Inst, Bioinformat Core Facil, Newcastle Upon Tyne, Tyne & Wear, England
[7] Helmholtz Assoc MDC, Max Delbruck Ctr Mol Med, Cardiovasc & Metab Sci, Berlin, Germany
[8] Harvard Med Sch, Dept Genet, Boston, MA 02115 USA
[9] Univ Cambridge, Wellcome & MRC Cambridge Stem Cell Inst, Cambridge, England
[10] Addenbrookes Hosp, Dept Med, Cambridge, England
[11] Cambridge Univ Hosp, Cambridge Liver Unit, Cambridge, England
[12] UCL, Div Med, UCL Resp, London, England