Allinson James P, Mackay Alex J, Shah Pallav L
1 National Heart and Lung Institute, Imperial College London, London, United Kingdom.
2 Academic Unit of Respiratory Medicine, University College London, London, United Kingdom; and.
Am J Respir Crit Care Med. 2017 May 1;195(9):1118-1123. doi: 10.1164/rccm.201702-0327IM.