[1] Boehringer Ingelheim Pharma GmbH & Co KG, Biberach, Germany
[2] Imperial Coll London, UK Resp Gene Therapy Consortium, London, England
[3] Imperial Coll London, Natl Heart & Lung Inst, London, England
[4] Univ Edinburgh, Ctr Genom & Expt Med, IGMM, Edinburgh, Midlothian, Scotland
[5] Univ Oxford, Nuffield Div Clin Lab Sci, Radcliffe Dept Med, Oxford, England
[6] Univ Edinburgh, Roslin Inst, Easter Bush Campus, Edinburgh, Midlothian, Scotland
[7] Univ Edinburgh, R D SVS, Easter Bush Campus, Edinburgh, Midlothian, Scotland