1. Department of Ophthalmology, University of Alberta, Edmonton, AB T6G 2E1, Canada
2. Department of Surgery, University of Calgary, Calgary, AB T2N 1N4, Canada
3. Cancer Care Alberta, Calgary, AB T2S 3C3, Canada
4. Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, AB T6G 2G3, Canada
5. Tom Baker Cancer Center, Division of Medical Oncology, Department of Oncology, Calgary, AB T2N 4N2, Canada
6. Laboratory Medicine, Department of Pathology, Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB T2N 1N4, Canada
7. Division of Medical Physics, Department of Oncology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 1Z2, Canada
8. Division of Surgical Oncology, University of Calgary, Calgary, AB T2N 1N4, Canada
9. Departments of Surgery and Oncology, University of Calgary, Calgary, AB T2N 1N4, Canada
10. Division of Radiation Oncology, Cross Cancer Institute, University of Alberta, Edmonton, AB T6G 1Z2, Canada
11. Division of Medical Oncology, Cross Cancer Institute, University of Alberta, Edmonton, AB T6G 1Z2, Canada