1. Centre for Radiopharmaceutical Chemistry, University College London, 5 Gower Place, London WC1E 6BS, United Kingdom
2. Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
3. Centre for Advanced Biomedical Imaging, University College London, 72 Huntley Street, London WC1E 6DD, United Kingdom
4. Department of Imaging Chemistry and Biology, School of Biomedical Engineering & Imaging Sciences, King’s College London, St. Thomas’ Hospital, London SE1 7EH, United Kingdom