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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Respir Med. 2015 Jan 31;109(3):397–405. doi: 10.1016/j.rmed.2015.01.011

Figure 1.

Figure 1

Flow diagram: number of cases per category. The group ‘Declined’ corresponds to those who did not consent. ‘Excluded’ represents other forms of ILD (ILD, interstitial lung disease; CTD, connective tissue disease)