1 Centre for Inflammation Research, Edinburgh BioQuarter, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK.
2 Department of Respiratory Medicine, Royal Infirmary of Edinburgh, Edinburgh, UK.
3 Centre for Inflammation Research, Edinburgh BioQuarter, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK. christopher.lucas@ed.ac.uk.
4 Department of Respiratory Medicine, Royal Infirmary of Edinburgh, Edinburgh, UK. christopher.lucas@ed.ac.uk.
5 Institute for Regeneration and Repair, Edinburgh BioQuarter, University of Edinburgh, Edinburgh, UK. christopher.lucas@ed.ac.uk.
6 Division of Anaesthesia, Department of Medicine, Level 4, Addenbrooke's Hospital, University of Cambridge, Hills Road, Cambridge, CB2 0QQ, UK. ac926@cam.ed.ac.uk.
7 John V Farman Intensive Care Unit, Addenbrooke's Hospital, Cambridge, UK. ac926@cam.ed.ac.uk.