1GlaxoSmithKline plc, Stockley Park West, Uxbridge, Middlesex UK
2GlaxoSmithKline plc, Research Triangle Park, NC USA
3University of Exeter Medical School, College of Medicine and Health, University of Exeter, Exeter, UK
4UCL Respiratory, University College London, London, UK
5GlaxoSmithKline plc, Collegeville, PA USA
6The Centre for Respiratory Medicine and Allergy, Institute of Inflammation and Repair, Manchester Academic Health Science Centre, University of Manchester, Manchester University NHS Foundation Trust, Manchester, UK
7The Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD USA
8Lewis Katz School of Medicine at Temple University, Philadelphia, PA USA
9University of Copenhagen, Copenhagen, Denmark
10The Division of Pulmonary, Allergy, and Critical Care Medicine, Lung Health Center, University of Alabama at Birmingham, Birmingham, AL USA
11University of Michigan, Pulmonary and Critical Care, Ann Arbor, MI USA
12New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY USA
13Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA