George Rodrigues, MD FRCPC MSc, associate professor and clinician scientist, Departments of Oncology and Epidemiology/Biostatistics, London Health Sciences Centre and Western University, London, Ontario, Canada, Vikram Velker, MD, resident, Radiation Oncology, Department of Oncology, London Health Sciences Centre and Western University, London, Ontario, Canada, Lara Best, MD, resident, Radiation Oncology, Department of Oncology, London Health Sciences Centre and Western University, London, Ontario, Canada