Acute Bronchitis, Acute Respiratory Distress Syndrome (ARDS), Asthma, Bronchiectasis, Central Sleep Apnoea, Chest Wall Disorders, Chronic Cough, Chronic Obstructive Pulmonary Disease, Drugs and Inhalational Injuries, Idiopathic Pulmonary Fibrosis, Interstitial Pneumonias (Other Idiopathic), Lung Cancer, Malignant Effusion, Malignant Mesothelioma, Mediastinal Disorders, Multiorgan Failure, Neuromuscular Weakness, Obstructive Sleep Apnoea, Parapneumonic Effusion, Pneumoconiosis, Pneumonia, Pneumothorax, Pulmonary embolism, Pulmonary Hypertension, Severe Sepsis, Tuberculosis (TB), Tuberculous Effusion