SFTPD and interstitial lung disease: Genetic or phenotypic SP-D variation is associated with ALI/ARDS (289–293), lung injury in critically ill mechanically ventilated patients (294), respiratory distress syndrome (RDS)/bronchopulmonary dysplasia (BPD) (233, 234, 295), community-acquired pneumonia (227, 296), viral infection (297–300), asthma (19, 242), lung cancer (178, 301, 302), pulmonary aspergillosis (281), interstitial lung disease (15, 288, 303–305), and COPD (215, 224, 280).