Lung images were acquired using a computed tomography (CT) system (Vereos-Ingenuity, Philips) as previously described25 (link),26 (link). Lesions were defined as ground glass opacity, crazy-paving pattern, consolidation or pleural thickening as previously described32 ,48 . Lesions and scoring were assessed in each lung lobe blindly and independently by two persons and the final results were established by consensus. Overall CT scores include the lesion type (scored from 0 to 3) and lesion volume (scored from 0 to 4) summed for each lobe as previously described25 (link),26 (link).
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