1 Nicholas Meti, MD, Division of Medical Oncology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Ali Sadeghi-Naini, PhD, Department of Electrical Engineering and Computer Science, Lassonde School of Engineering, York University, Toronto, Ontario, Canada, Department of Radiation Oncology, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada; and William T. Tran, MRT(T), MSc, PhD, Department of Radiation Oncology, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada, Department of Radiation Oncology, University of Toronto, Toronto, Ontario, Canada.