1. Rapid Response Radiotherapy Program, Odette Cancer Center, University of Toronto, Toronto, Ontario, Canada.
2. Rapid Access Palliative Radiotherapy Program, Cross Cancer Institute, Edmonton, Alberta, Canada.
3. Department of Pharmacy, Odette Cancer Center, University of Toronto, Toronto, Ontario, Canada.
4. Division of Medical Oncology, Odette Cancer Center, University of Toronto, Toronto, Ontario, Canada.
5. The Palliative Radiation Oncology Program, Princess Margaret Hospital, Toronto, Ontario, Canada.