1. Department of Pharmaceutical Sciences, ‡Department of Chemistry, §Department of Medical
Biophysics, University of Toronto, Toronto, Ontario M5S 3M2, Canada
2. Department of Radiation Oncology, Erasmus MC Cancer Institute, Rotterdam,
The Netherlands, ⊥Department of Medical Imaging, University of Toronto, ∇Toronto General Research Institute, and #Joint Department of Medical Imaging, University Health Network, Toronto, Ontario M5S 3M2, Canada