1. Department of Oncology, Rwanda Military Hospital , Kicukiro, Kigali , Rwanda
2. Department of Oncology, Research for Development (RD) , Gasabo, Kigali , Rwanda
3. Division of Cancer Care and Epidemiology, Queen’s University Cancer Research Institute , Kingston, Ontario , Canada
4. Departments of Oncology, Queen’s University , Kingston, Ontario , Canada
5. Department of Oncology, Dartmouth Cancer Center , Lebanon, NH , USA
6. University of Sydney, School of Public Health , Sydney, NSW , Australia
7. Oncology Unit, Department of Medicine, King Faisal Hospital , Gasabo, Kigali , Rwanda
8. Department of Oncology, Kingston Health Sciences , Kingston, Ontario , Canada