1. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York City , NY, USA
2. College of Medicine, University of the Philippines , Manila, Philippines
3. Department of Radiation Oncology, University of California, Los Angeles , Los Angeles, CA, USA
4. School of Medicine and Public Health, Ateneo de Manila University , Pasig City, Philippines
5. Blavatnik Institute of Global Health and Social Medicine, Harvard Medical School , Boston, MA, USA
6. Division of Radiation Oncology, University of the Witwatersrand, Johannesburg and Charlotte Maxeke Johannesburg Academic Hospital , Johannesburg, South Africa
7. American Society for Radiation Oncology , Arlington, VA, USA
8. Kings Health Partners Comprehensive Cancer Centre, King's College London, Institute of Cancer Policy , London, UK
9. Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine , London, UK
10. Clinical Effectiveness Unit, Institute of Cancer Policy, King’s College London , London, UK
11. Department of Oncology, Queen’s University , Kingston, ON, Canada
12. Cancer Care and Epidemiology, Cancer Research Institute, Queen’s University , Kingston, ON, Canada
13. Division of Neurosurgery, Department of Neurosciences, College of Medicine and Philippine General Hospital, University of the Philippines Manila , Manila, Philippines
14. Department of Radiation Oncology, Dana-Farber Cancer Institute/Harvard Cancer Center , Boston, MA, USA
15. Tata Memorial Hospital, Thoracic Surgery (Surgical Oncology) at Tata Memorial Centre, Homi Bhabha National Institute , Mumbai, India
16. Department of Radiation Oncology, University of Pennsylvania , Philadelphia, PA, USA