1 Subdivision of Pulmonary Imaging, Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Heidelberg, Germany.
2 Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany.
3 Department of Diagnostic and Interventional Radiology with Nuclear Medicine, Thoraxklinik at University Hospital Heidelberg, Heidelberg, Germany.
4 Pulmonary, Lung and Respiratory Imaging Sheffield (POLARIS), Division of Clinical Medicine, Faculty of Health, School of Medicine and Population Health, University of Sheffield, Sheffield, United Kingdom.
5 Insigneo Institute, University of Sheffield, Sheffield, United Kingdom.
6 Edinburgh Imaging, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom.