1 School of Biomedical Engineering & Imaging Sciences, King's College London, King's Health Partners, St Thomas' Hospital, London SE1 7EH, United Kingdom. Electronic address: bongarzone@jmedchem.acs.org.
2 Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT 06520, USA.
4 Department of Chemistry, Lehman College of the City University of New York, Bronx, NY 10468, United States of America; Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, United States of America.
5 Department of Medical Imaging and Radiotherapy, University of Yaounde I & General Hospital Yaounde, PO. Box 5408, Yaounde, Cameroon.
6 School of Biomedical Engineering & Imaging Sciences, King's College London, King's Health Partners, St Thomas' Hospital, London SE1 7EH, United Kingdom.
7 Life Sciences Division, TRIUMF, British Columbia V6T 2A3, Canada.