Cluster 87: interstitial lung disease history signs symptoms ongoing time informed consent 
Cluster 170: pulmonary obstructive copd chronic disease severe lung asthma requiring oxygen 
Cluster 323: pneumonitis history induced active ongoing drug years radiation confirmed patients 
Cluster 1449: ild interstitial lung pneumonitis history disease induced evidence active drug 
Cluster 1540: severely lung impaired function interstitial concurrent condition severity history judged 
Cluster 1549: interstitial pneumonitis lung history disease active requiring patients radiation clinically 
Cluster 1672: interstitial lung evidence disease clinically history asymptomatic active patients dyspnea 
Cluster 2056: cardiac disease arrhythmia history shunts patients known condition active requiring 
Cluster 2423: noninfectious pneumonitis interstitial evidence lung history active steroids required disease