Affiliation: | 1. Kings College London, Division of Imaging Sciences and Bioengineering, St Thomas'' Hospital, London, United Kingdom;2. King''s College London, Department of Asthma, Allergy & Respiratory Science, Guy''s Hospital, London, United Kingdom;3. Department of Nuclear Medicine, Guy''s and St Thomas'' Hospitals, London, United Kingdom;4. Division of Chemistry, King''s College London, London, United Kingdom |