Original language | English |
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Article number | e040630 |
Journal | BMJ Open |
Volume | 2021 |
Issue number | 11 |
Early online date | 2 Jun 2021 |
DOIs | |
Publication status | Published - 2 Jun 2021 |
Funding
Funding This work was supported by the Medical Research Council (grant number MR/P008933/1) of the UK under the Global Alliance for Chronic Lung diseases program. Competing interests None declared. Patient consent for publication Not required.