1. Research Centre for Radwaste Disposal and Williamson Research Centre for Molecular Environmental Science, Department of Earth, Atmospheric and Environmental Sciences, The University of Manchester, Manchester M13 9PL, U.K.
2. CENBG-Équipe Radioactivité et Environnement, UMR 5797, CNRS-IN2P3/Université de Bordeaux, 19 chemin du Solarium, CS 10120, 33175 Gradignan, France
3. Radiochemistry Unit, Department of Chemistry, The University of Helsinki, Helsinki 00014, Finland
4. National Nuclear Laboratory, Risley, Warrington, Cheshire WA3 6AE, U.K.
5. Department of Nuclear Medicine, Manchester Royal Infirmary, Oxford Road, Manchester M13 9WL, U.K.