1. Academic Unit of Radiology; University of Sheffield, Royal Hallamshire Hospital; Sheffield United Kingdom
2. Clinical Imaging; GlaxoSmithKline; Brentford United Kingdom
3. GE Global Research; Garching Germany
4. Academic Directorate of Respiratory Medicine; University of Sheffield, Royal Hallamshire Hospital; Sheffield United Kingdom
5. Sheffield Pulmonary Vascular Disease Unit; Sheffield Teaching Hospitals, Royal Hallamshire Hospital; Sheffield United Kingdom
6. Medical Diagnostics; GE Healthcare; Amersham United Kingdom